Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chiet tach » chieu sach
trung doan » trong doanh, truong toan, trung hoa
trang doan » tran doan, trong doanh, trang tuan
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chinh sach) or (chiet tach)) - thanh ((trung doan) OR (trang doan)) phuong cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chinh sach) OR (chiet tach)) - thanh ((trung doan) OR (trang doan)) phuong cong tan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chinh sach) or (chiet tach)) - thanh ((trung doan) OR (trang doan)) phuong cong tan than cap".
• Adding a wildcard symbol may retrieve word variants: doi ((chinh sach) or (chiet tach)) - thanh ((trung doan) OR (trang doan)) phuong cong tan than cap*.