Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » hoc hien
tranh tu » trinh tu, tran tu, thanh tu
tu nhung » tu chung, cua nhung, thi nhung
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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) or (toc thieu)) quang - canh tranh tu nhung cong dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) quang - canh tranh tu nhung cong dan phan dau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) quang - canh tranh tu nhung cong dan phan dau*.