Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
truong cao » truong dai
thong cong » trong cong, tong cong, thong thong
huong cua » dung cua
hoc hieu » hoc thieu, hoc hien, doc hieu
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh lap, thanh cac
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu nganh - thanh ((huong cua) or (truong cao)) thong cong dan ((than cap) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu nganh - thanh ((huong cua) OR (truong cao)) thong cong dan ((than cap) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - thanh ((huong cua) or (truong cao)) thong cong dan ((than cap) or (phan cau))*.