Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong dan » phuong danh, phuong doan, huong dan
doi chinh » do chinh, tai chinh, hoc chinh
trang vap » trang vai, trang van, tran van
trang va » tran van, hang va
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 - manh ((trang vap) or (trang va)) nhung phuong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chinh sach - manh ((trang vap) OR (trang va)) nhung phuong dan than cau*.