Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong ban » phuong bang, phuong lan, phuong bac
hoc chinh » hoan chinh, hoc sinh, hoc kinh
trung vap » trung cap, trung van, trung lap
ban thanh » ban hanh, ban hang
thanh cau » thanh chau, thanh mau, nhanh cau
trung va » truong va, trang va, trung ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chinh sach - manh ((trung vap) or (trung va)) nhung phuong ban thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - manh ((trung vap) OR (trung va)) nhung phuong ban thanh cau*.