Kamera gözetimi olduğu halde taşıma arabası bulunamadı.

Olduğu halde means although, even though, or despite the fact that.

It is built from:

• olmak = to be / to exist
• olduğu = roughly the fact that it is/was
• halde = literally in that state/condition

So together, olduğu halde is a fixed expression meaning although that was the case.

In this sentence, kamera gözetimi olduğu halde means something like although there was camera surveillance.

Because this part is not a full independent sentence; it is a subordinate clause attached to the main clause.

As a standalone sentence, you could say:

• Kamera gözetimi vardı. = There was camera surveillance.

But when Turkish says although there was..., it often changes the verb into a participle-based form:

• kamera gözetimi olduğu halde = although there was camera surveillance

So English uses a full clause after although, but Turkish often uses this kind of non-finite structure instead.

These are very common Turkish noun compounds.

• kamera gözetimi = camera surveillance
• taşıma arabası = transport cart / trolley

In this structure, the first noun stays bare, and the second noun usually takes a third-person possessive ending:

• gözetim → gözetimi
• araba → arabası

This does not mean his surveillance or her cart here. In compounds, this ending is just part of the normal pattern.

Compare:

• okul kapısı = school door
• otobüs durağı = bus stop
• çay bardağı = tea glass

So kamera gözetimi and taşıma arabası work the same way.

Taşıma comes from the verb taşımak, meaning to carry or to transport.

Here, taşıma functions like carrying or transport in English:

• taşıma arabası = carrying/transport cart

So it is not about a car in the modern English sense of car; araba in Turkish can also mean cart or trolley depending on context.

Bulunamadı means could not be found.

It can be understood as:

• bul- = find
• -un- = passive/reflexive-type marker
• -ama- = inability / not able to
• -dı = past tense

So:

• bulunamadı = was not able to be found / could not be found

This is stronger and more specific than just bulunmadı.

• bulunmadı = was not found
• bulunamadı = could not be found

In many contexts, English may translate both similarly, but Turkish makes a distinction.

Because the sentence focuses on the cart, not on the people who were looking for it.

• Taşıma arabasını bulamadılar. = They couldn't find the cart.
• Taşıma arabası bulunamadı. = The cart couldn't be found.

The passive is very common in Turkish when:

• the agent is unknown
• the agent is unimportant
• the speaker wants a more formal or impersonal tone

So this sentence sounds natural if the important point is the missing cart, not who searched for it.

Here it means surveillance/monitoring by camera, not the actual recording itself.

If you wanted to emphasize the recording or footage, Turkish would more likely use something like:

• kamera kaydı = camera recording
• güvenlik kamerası kaydı = security camera footage

So kamera gözetimi olduğu halde means even though the place was under camera surveillance, not necessarily even though there was a video recording.

Yes, the word order can change, but the given order is very natural.

Current order:

• Kamera gözetimi olduğu halde taşıma arabası bulunamadı.

This starts with the background/contrast:

• although there was camera surveillance...

and then gives the main result:

• the cart could not be found

That is a very typical Turkish structure.

You could also say:

• Taşıma arabası, kamera gözetimi olduğu halde bulunamadı.

This puts a bit more focus on taşıma arabası.

But the original version is smoother and more neutral in most contexts.

They are very close in meaning, and in this sentence both work.

You could also say:

• Kamera gözetimi olmasına rağmen taşıma arabası bulunamadı.

Both mean although / despite the fact that.

A rough comparison:

• olduğu halde = although / even though
• olmasına rağmen = despite the fact that / although

In many everyday sentences, the difference is small, and learners can often treat them as near-equivalents.