Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
trung vap » trung va, trung van, trung lap
trung cap » truong cao, trung tam
cong sanh » cong san, cong danh, cong sach
ho chieu » theo chieu, hoc thieu, doi chieu
sanh cua » manh cua, sinh cua, hanh cua
cua cau » cua cac, cua chu, cua cay

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 vap) or (trung cap)) nhung cong sanh cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung vap) OR (trung cap)) nhung cong sanh cua cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung vap) or (trung cap)) nhung cong sanh cua cau*.