Perhaps you should try some spelling variations:
thieu nganh » hieu nganh, trien nganh, nghiep nganh
thong cong » trong cong, tong cong, thong thong
anh sang » lanh sang, anh bang, anh nang
anh dang » anh dong, anh dung, anh bang
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu nganh - ((anh sang) or (anh dang)) va thong cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu nganh - ((anh sang) OR (anh dang)) va thong cong dan than ban.
• Adding a wildcard symbol may retrieve word variants: toc thieu nganh - ((anh sang) or (anh dang)) va thong cong dan than ban*.