Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
trinh cua » trinh luat, trinh quan, trinh luan
bang cong » dang cong, bang song, hang cong
tinh cua » sinh cua, tinh chat, tranh cua
cong tan » cong tac, cong san, cong thanh
tan can » toan can, tan van, ban can
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chinh sach) or (chieu sach)) - hanh ((tinh cua) or (trinh cua)) bang cong tan can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chinh sach) OR (chieu sach)) - hanh ((tinh cua) OR (trinh cua)) bang cong tan can cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chinh sach) or (chieu sach)) - hanh ((tinh cua) or (trinh cua)) bang cong tan can cau*.