经过长时间的搜索，他们最终找到了丢失的文件。

After a long ___search, they eventually found the missing papers.

警察对房子进行了彻底的搜索，但没有找到任何毒品。

The police conducted a thorough ___search of the house, but they failed to find any drugs.

约书亚立即认为它可能是一枚炸弹，所以他在整个机场组织了一次搜索。

Joshua instantly thought it could be a bomb, so he organized a ___search all over the airport.