打鑼都搵唔倒 [－锣－揾－－]

Jyutping daa2 lo2 dou1 wan2 m4 dou2
Pinyin dǎ luó dōu wěn wú dào

Definitions (CC-CANTO)
  1. to be unable to find someone even after expending a large amount of effort and resources [colloquial]