kỹ sư nỏ 
mining engineer [ kỹ ] : (1) carefully; careful, thorough; (2) prostitute; (3) skillful
[ sư ] : (1) division (military); (2) monk, priest
[ nỏ ] : arbalot, cross-bow
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
kỹ sư nỏ mining engineer