Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hieu manh, nghiep nganh
thanh vinh » thanh binh, thanh tinh, than kinh
hiem ngan » kim ngan, viem gan
van nhung » van nhuong, va nhung, van hung
vinh van » dinh van, trinh van, sinh vat
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap

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) or (hiem ngan)) - thanh vinh van nhung ((cong dan) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (hiem ngan)) - thanh vinh van nhung ((cong dan) OR (cong tan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) or (hiem ngan)) - thanh vinh van nhung ((cong dan) or (cong tan)) toan cau*.