Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac

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) or (chieu tinh)) - hanh trang cua bang cong san ((phan tu) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (chieu tinh)) - hanh trang cua bang cong san ((phan tu) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (chieu tinh)) - hanh trang cua bang cong san ((phan tu) or (than cap))*.