Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
cua phuong » cuu phuong, cuc phuong, luan phuong
cua thong » cua thuong, cua khong, cua tong
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 phuong)) cong san ((than ban) OR (than man))~.
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - anh dang ((cua thong) or (cua phuong)) cong san ((than ban) or (than man))*.