Perhaps you should try some spelling variations:
khanh thanh » nhanh thanh, thanh thanh, phan thanh
cong khanh » cong thanh, cong khan, cong nhan
doi chieu » doc hieu, doi chi, mot chieu
hanh dung » thanh dung, anh dung, hanh dong
thanh tap » thanh lap, thanh tai, thanh tay
dung lan » dung luan, dung land, dung lam
van cong » van dong, van phong, phan cong
lan van » luan van, lang van, tan van

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 - hanh dung lan van cong khanh thanh tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (toc thieu)) sang - hanh dung lan van cong khanh thanh tap".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (toc thieu)) sang - hanh dung lan van cong khanh thanh tap*.