Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
trung cua » truong cua, trung tuan, trung cap
ho chieu » hoc thieu, doi chieu, mot chieu
dong tan » duong tan, dong tai, cong tan
dong san » cong san, dong bang, dong von
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: ((ho chieu) or (theo chieu)) xanh - thanh trung cua cong ((dong tan) OR (dong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - thanh trung cua cong ((dong tan) OR (dong san)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) xanh - thanh trung cua cong ((dong tan) OR (dong san)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - thanh trung cua cong ((dong tan) OR (dong san)) toan ban*.