Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tran » thanh trang, thanh toan, thanh tra
tuan dang » tran dang, tuan bang, tuan dung
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
toan ban » van ban
toan cao » toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - ((thanh tran) or (tinh toan)) tuan dang cong san ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((thanh tran) OR (tinh toan)) tuan dang cong san ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((thanh tran) or (tinh toan)) tuan dang cong san ((toan ban) or (toan cao))*.