Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
truong ca » truong cao, trong ca, truong dai
truong va » truong dai, truong cao, truong dao
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than 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 ((dung luan) or (((truong ca) OR (truong va)))) nhung cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((dung luan) OR (((truong ca) OR (truong va)))) nhung cong tan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((dung luan) or (((truong ca) OR (truong va)))) nhung cong tan than cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((dung luan) or (((truong ca) OR (truong va)))) nhung cong tan than cau*.