Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
cong tan » cong tac, cong san, cong thanh
tan khan » tan khang, tan nhan, toan khoan
khan cap » khan ap, than cap, khoan cam

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 ((truong cua) OR (truong cao)) nhung cong tan khan cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh ((truong cua) OR (truong cao)) nhung cong tan khan cap".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((truong cua) OR (truong cao)) nhung cong tan khan cap*.