Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
tan thanh » tran thanh, tang thanh, toan thanh
thanh mau » hanh mau, thanh san, thanh hai
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh ((trung cua) or (trung tam)) nhung cong tan thanh mau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((trung cua) OR (trung tam)) nhung cong tan thanh mau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((trung cua) or (trung tam)) nhung cong tan thanh mau*.