Subject + 找到 + Object
找到 (zhǎodào) means 'to find' or 'to locate,' combining the verb 找 (to search) with the result complement 到 (indicating success). It emphasizes that the search was successful. For example, 没有找到幸存者 means 'no survivors were found.'
警察终于找到了丢失的文件。
Jǐngchá zhōngyú zhǎodào le diūshī de wénjiàn.
The police finally found the lost documents.
我找了半天也没找到我的钥匙。
wǒ zhǎo le bàntiān yě méi zhǎodào wǒ de yàoshi.
I searched for a long time but couldn't find my keys.
他们在废墟中找到了一名幸存者。
tāmen zài fèixū zhōng zhǎodào le yī míng xìngcúnzhě.
They found a survivor in the ruins.