Perhaps you should try some spelling variations:
thieu nganh » hieu nganh, trien nganh, nghiep nganh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
cong cong » cong dong, trong cong, dung cong
tung cua » trung cua, tuong cua, dung cua
dan chan » dan gian, dan ca
van chat » cao chat

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 tung cua cong cong ((dan chan) or (van chat)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu nganh - thanh tung cua cong cong ((dan chan) OR (van chat)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu nganh - thanh tung cua cong cong ((dan chan) or (van chat)) cau*.