Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
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 dao, trung tam, trung cap
tuong dan » huong dan, tung dan, xuong dan
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) OR (truong dai)))) nhung tuong 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) OR (truong dai)))) nhung tuong 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) OR (truong dai)))) nhung tuong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((trung dap) or (((trung dai) OR (truong dai)))) nhung tuong dan toan cao*.