Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong dao » truong dai, truong cao, truong bo
nhung cong » dung cong, thong cong, hang cong
truong va » truong dai, truong cao, luong va
ho chieu » theo chieu, hoc thieu, doi chieu
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac
cong te » cong ty, cong ti, cong tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((truong va) OR (truong dao)) nhung cong te ((than cau) OR (than cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((truong va) or (truong dao)) nhung cong te ((than cau) OR (than cap))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((truong va) or (truong dao)) nhung cong te ((than cau) OR (than cap))*.