Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
than cau » toan cau, thanh chau, thanh mau
than cap » khan cap, thanh lap, thanh cac
phan cau » phan dau, phan cac, phan tu
tung va » trung va, tuong va, dung va

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 tung va nhung cong dan ((((than cau) OR (than cap))) OR (phan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh tung va nhung cong dan ((((than cau) OR (than cap))) or (phan cau))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung va nhung cong dan ((((than cau) OR (than cap))) or (phan cau))*.