Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hien nganh » vien nganh, hien nhanh, hieu nganh
tang luat » tang luan, nang suat, hang luan
anh tang » anh bang, anh dang, anh nang
cong tan » cong tac, cong san, cong thanh
chan ban » can ban, chan nan, chan doan
chat ban » nhat ban, chat ran, cua ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien nganh - anh tang luat thuong cong tan ((chan ban) or (chat ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nganh - anh tang luat thuong cong tan ((chan ban) OR (chat ban))*.