Perhaps you should try some spelling variations:
lanh tranh » canh tranh, lan tranh, hanh trinh
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
trong tan » trong quan, trong cac, trong ca
van manh » van minh, van anh, van hanh
qua dung » quang dung, su dung, qua song
tan van » tran van, tang van, luan van

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 (doi chieu)) xanh - ((van manh) or (lanh tranh)) qua dung trong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) xanh - ((van manh) OR (lanh tranh)) qua dung trong tan van ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chieu)) xanh - ((van manh) or (lanh tranh)) qua dung trong tan van ban*.