Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
duong cong » dung cong, luong cong, duong trong
hoc chieu » hoc thieu, ho chieu, hoc hien
hang cau » hang dau, nhung cau, nang cao
cong tan » cong tac, cong san, cong thanh
hang ca » hang va, nang cao, hang tai
tan van » tran van, tang van, luan van

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 ((hang cau) or (hang ca)) duong cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((hang cau) OR (hang ca)) duong cong tan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((hang cau) or (hang ca)) duong cong tan van ban*.