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
duong va » duong van, dung va, dong va
luong va » dung va
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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 - hanh ((duong va) OR (luong va)) nhung phuong dan than tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chinh sach - hanh ((duong va) OR (luong va)) nhung phuong dan than tap*".