Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
thanh tung » thanh cong
qua trong » quan trong, qua trinh, qua song
hoc hieu » hoc thieu, hoc hien, doc hieu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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 trung) or (thanh tung)) qua trong cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu nganh - ((thanh trung) OR (thanh tung)) qua trong cong dan than cap.
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - ((thanh trung) or (thanh tung)) qua trong cong dan than cap*.