Perhaps you should try some spelling variations:
khanh thanh » nhanh thanh, thanh thanh, phan thanh
thanh dung » thanh duong, thanh tung, thanh hung
cong khanh » cong thanh, cong khan, cong nhan
doi chieu » doc hieu, doi chi, mot chieu
thanh lap » thanh san, phan lap, thanh hai
van cong » van dong, van phong, phan cong
luan » quan, lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) sang - thanh dung luan van cong khanh thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sang - thanh dung luan van cong khanh thanh lap.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) sang - thanh dung luan van cong khanh thanh lap*.