Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, truong thanh
truong va » truong dai, truong cao, truong dao
ho chieu » theo chieu, hoc thieu, doi chieu
trung va » trang va, trung ha, trung tam
cong tan » cong tac, cong san, cong ty
phan cau » phan dau, phan cac, phan tu

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