Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
thanh tung » thanh cong
phuong dan » phuong danh, phuong doan, huong dan
chi sach » chinh sach, chieu sach, co sach
toan cau » toan cao, toan ban, toan tap
than cap » khan cap, thanh lap, thanh cac
doi chi » doi khi
va dung » van dung, va duong, vat dung

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 - ((thanh trung) or (thanh tung)) va dung phuong dan ((toan cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - ((thanh trung) OR (thanh tung)) va dung phuong dan ((toan cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: doi chi sach - ((thanh trung) or (thanh tung)) va dung phuong dan ((toan cau) or (than cap))*.