Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
thanh trung » thanh tung
phuong dan » phuong danh, phuong doan, huong dan
trung dap » trung cap, trung dai, trung dam
chi sach » chieu sach, co sach, moi sach
dap dung » ap dung, dan dung, dap ung
than cau » toan cau, phan cau, thanh chau
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 ((chi sach) or (chinh sach)) - thanh trung dap dung phuong dan ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sach) OR (chinh sach)) - thanh trung dap dung phuong dan ((than cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: doi ((chi sach) or (chinh sach)) - thanh trung dap dung phuong dan ((than cau) or (than cap))*.