Perhaps you should try some spelling variations:
thieu nganh » hieu nganh, trien nganh, nghiep nganh
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
hua khong » hoa khong, cua khong, hoac khong
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu nganh - thanh trung ((suat thong) or (hua khong)) cong san than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu nganh - thanh trung ((suat thong) OR (hua khong)) cong san than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu nganh - thanh trung ((suat thong) or (hua khong)) cong san than cau*.