The police spent the day poking around in his office but found nothing.

警察花了一天时间搜查他的办公室，但是没有发现什么情况。

《牛津词典》

They searched him but found nothing.

他们搜了他的身上，但没找到什么。

《新英汉大辞典》

He spent two days looking for the treasure, but found nothing.

他花了两天时间寻找宝藏，但什么也没找到。

youdao

Patterson says that he looked into the matter, at the suggestion of Scientologists, but found nothing.

NEWYORKER: The Apostate

Worried about the ugly boot in a fashion capital, she searched online for something to dress up the boot but found nothing.

FORBES: Reinvention: The American Way

Mr Bush told reporters that someone had visited the four-bedroom house some weeks ago to check for sinkholes and other issues but found nothing wrong.

BBC: Florida sinkhole: Jeffrey Bush home partially demolished