Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
thanh chau » thanh cha, thanh cham, thanh chu
doi chieu » doc hieu, doi chi, mot chieu
trong ban » trong san, trong quan, trong cac
trong tan » trong quan, trong cac, trong ca
ho chieu » theo chieu, hoc thieu, mot chieu
tran xay » tra xay, tran day, trinh xay

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) or (doi chieu)) sach - thanh tran xay dung ((trong ban) OR (trong tan)) thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - thanh tran xay dung ((trong ban) OR (trong tan)) thanh chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chieu)) sach - thanh tran xay dung ((trong ban) OR (trong tan)) thanh chau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) sach - thanh tran xay dung ((trong ban) OR (trong tan)) thanh chau*.