Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
quang toan » quang tuan, quang doan, quang hoan
quang tran » quang tuan, quang trung, quang thanh
trung hoc » trung quoc
ho chieu » theo chieu, hoc thieu, doi chieu
trung ha » trung tam, trung cap

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 ha) or (trung hoc)) nhung cong ((quang toan) OR (quang tran)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung ha) OR (trung hoc)) nhung cong ((quang toan) OR (quang tran)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung ha) or (trung hoc)) nhung cong ((quang toan) OR (quang tran)) cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung ha) or (trung hoc)) nhung cong ((quang toan) OR (quang tran)) cao*.