Let me search into this matter for you.

让我为你调查这件事。

I want to search into the matter once more.

我想再次调查那件事。

They will search into the cause of the accident.

他们会追究这个事故的原因。

The police will search into the accident thoroughly.

警察会彻底调查这个事故的。

Google has also built social search into its image search.

Google的社交搜索功能也嵌入到其图片搜索中。