Perhaps you should try some spelling variations:
thanh tung » thanh cong
cong thanh » dong thanh, cong trinh, truong thanh
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
anh dang » anh dong, anh dung, anh bang
cong tan » cong tac, cong san, cong ty
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 xanh - ((thanh tung) or (anh dang)) cua cong ((cong tan) OR (cong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((thanh tung) OR (anh dang)) cua cong ((cong tan) OR (cong thanh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - ((thanh tung) or (anh dang)) cua cong ((cong tan) OR (cong thanh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((thanh tung) or (anh dang)) cua cong ((cong tan) OR (cong thanh)) toan ban*.