Perhaps you should try some spelling variations:
dang cong » dung cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
theo chu » theo chieu, cho chu, chao chu
chu sang » chu bang, thu sang, chieu sang
anh tang » anh bang, anh nang, anh sang
anh dang » anh dong, anh dung, anh bang
cua dang » cua cong, cua ban
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sang - ((anh tang) or (anh dang)) cua dang cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sang - ((anh tang) OR (anh dang)) cua dang cong manh toan ban.
• Adding a wildcard symbol may retrieve word variants: theo chu sang - ((anh tang) or (anh dang)) cua dang cong manh toan ban*.