Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhung tuong » nhung huong, hung vuong, nhung cong
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
trung dap » trung cap, trung dam, trung lap
trung dai » truong dai, truong dao, trung tam
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan 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 chieu sach - thanh ((trung dap) or (trung dai)) ((nhung tuong) OR (nhung phuong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((trung dap) OR (trung dai)) ((nhung tuong) OR (nhung phuong)) dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh ((trung dap) or (trung dai)) ((nhung tuong) OR (nhung phuong)) dan toan cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((trung dap) or (trung dai)) ((nhung tuong) OR (nhung phuong)) dan toan cao*.