Perhaps you should try some spelling variations:
thien chinh » tien thinh, thien chien, thi chinh
thanh duong » thanh huong, thanh cuong, thanh vuong
thanh chau » thanh cha, thanh cham, thanh chu
san thanh » ban thanh, van thanh, son thanh
van hang » van khang, van hoang, van thang
cong san » cong tac
va hang » va nang, va lang, va hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: thien chinh sach - thanh duong ((va hang) or (van hang)) cong san thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thien chinh sach - thanh duong ((va hang) OR (van hang)) cong san thanh chau.
• Adding a wildcard symbol may retrieve word variants: thien chinh sach - thanh duong ((va hang) or (van hang)) cong san thanh chau*.