cơ hàn 
hunger and cold, misery, wretchedness [ cơ ] : (1) foundation; (2) occasion, opportunity, circumstance; (3) odd; (4) regiment; (5) machine, mechanism, motor, engine; (6) airplane; (7) hunger, famine; (8) muscle; (9) outburst, crisis
[ hàn ] : (1) filling (tooth); (2) to weld
Most Common Compounds Set 1:
Most Common Compounds Set 2 :