Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
trung dai » truong dai, truong dao, trung tam
chi sach » chinh sach, chieu sach, co sach
tung dap » tung dan, tuong dan, tuong dao
toan cao » toan ban, toan tap
phan cau » phan dau, phan cac, phan tu
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 ((tung dap) OR (trung dai)) nhung huong dan ((toan cao) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh ((tung dap) OR (trung dai)) nhung huong dan ((toan cao) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi sach - thanh ((tung dap) OR (trung dai)) nhung huong dan ((toan cao) or (phan cau))".
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh ((tung dap) OR (trung dai)) nhung huong dan ((toan cao) or (phan cau))*.