Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
hoc hieu » hoc thieu, hoc hien, doc hieu
anh dang » anh dong, anh dung, anh bang
cong san » cong tac
than ban » thanh ban, toan ban, nhuan ban
than man » than ma, thanh san, tran manh

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu nganh - anh dang ((cua thong) OR (cua khong)) cong san ((than ban) OR (than man))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu nganh - anh dang ((cua thong) or (cua khong)) cong san ((than ban) OR (than man))~".
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - anh dang ((cua thong) or (cua khong)) cong san ((than ban) OR (than man))*.