Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
dung cong » dung trong
luan phan » luan van, luan hoan
tranh va » tranh van, trang va, trinh va
dan chan » dan gian, dan ca, van chat
va dung » van dung, va duong, vat dung

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 xanh) or (thien anh)) - canh tranh va dung cong ((dan chan) or (luan phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - canh tranh va dung cong ((dan chan) OR (luan phan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - canh tranh va dung cong ((dan chan) or (luan phan)) cau*.