Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong danh » phuong anh, phuong dinh, phuong hanh
phuong dan » phuong doan, huong dan, phuong lan
chi sach » chinh sach, chieu sach, co sach
trung ha » trung hoc, trung tam, trung cap
ha nhung » hoa nhung, hay nhung, pha nhung
toan cau » toan cao, toan ban, toan tap
than cap » khan cap, thanh lap, thanh cac
doi chi » doi khi

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