Perhaps you should try some spelling variations:
thieu nganh » hieu nganh, trien nganh, nghiep nganh
thang long » thanh cong
long muong » lang muong, long vuong, mong muong
hoc thieu » toc thieu, hoc hien
long gian » long giao, luong giao, khong gian
gian long » gian lang, gian song, gia long
manh toan » thanh toan, anh tuan, tinh toan
dan than » dan chan, ban than, van than

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 - thang long gian long muong ((dan than) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu nganh - thang long gian long muong ((dan than) OR (manh toan)) cau*.