truy nã gắt gao 
intense search [ truy ] : (1) to chase, pursue; (2) to pluck, plow
[ nã ] : to hunt for, squeeze
[ gắt ] : strong, violent, harsh, biting; to grumble, scold, chide
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
truy nã gắt gao intense search