Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu sach » chinh sach, chiet tach, chieu sang
trung dap » trung cap, trung dam, trung lap
trung dai » truong dai, truong dao, trung tam
tuong dan » huong dan, tung dan, xuong dan
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh ((trung dap) or (trung dai)) nhung tuong dan ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung dap) OR (trung dai)) nhung tuong dan ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung dap) or (trung dai)) nhung tuong dan ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung dap) or (trung dai)) nhung tuong dan ((toan cao) OR (toan tap))*.