Perhaps you should try some spelling variations:
sinh cong » minh cong, trinh cong, chinh cong
hanh luat » nganh luat, hang luan, hanh lam
gian hieu » gian viet, van hieu, tin hieu
hieu soat » hieu suat, hieu hoat, hieu luat
cong tan » cong tac, cong san, cong thanh
hai lien » tai lieu, thi lien, hai yen
luat dan » luat dat, luat doanh, cua dan
tan hai » tran hai, van hai, tai hai
lien so » lien son, bien so, lieu so

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( sinh cong tan hai lien so ) or ( hanh luat dan gian hieu soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( sinh cong tan hai lien so ) OR ( hanh luat dan gian hieu soat ))*.