Perhaps you should try some spelling variations:
phuong thanh » phong thanh, truong thanh, muong thanh
phuong thao » phuong phap, phuong thuc
hanh thang » nhanh thang, thanh thang, hanh trang
doi chinh » do chinh, tai chinh, hoc chinh
thang va » hang va, trang va, thong va
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
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 chinh sach - hanh thang va dung ((phuong thanh) or (phuong thao)) ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chinh sach - hanh thang va dung ((phuong thanh) OR (phuong thao)) ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chinh sach - hanh thang va dung ((phuong thanh) or (phuong thao)) ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: doi chinh sach - hanh thang va dung ((phuong thanh) or (phuong thao)) ((toan cau) OR (toan tap))*.