Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
trinh vat » trinh van, trinh luat, sinh vat
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
vat hang » van hang, dat hang, va hang
cong tan » cong tac, cong san, cong thanh
bang cau » hang cau, bang cac, nang cao
van cau » van dau, van hau, van chat

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