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, truong va, trong ca
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
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 ((dung cua) or (truong ca)) nhung cong tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((dung cua) OR (truong ca)) nhung cong tan phan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((dung cua) or (truong ca)) nhung cong tan phan cau*.