Perhaps you should try some spelling variations:
nhung luong » hung luong, nhung huong, nhung tuong
thanh trung » thanh tung
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
luong va » dung va
juan cao » quang cao, toan cao, quan cau
va juan » va quan, va huan, va tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) OR (chieu sach)) - ((canh tranh) or (thanh trung)) va nhung luong va juan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - ((canh tranh) OR (thanh trung)) va nhung luong va juan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu sach)) - ((canh tranh) or (thanh trung)) va nhung luong va juan cao*".