Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
hanh trinh » canh tranh, hanh chinh
bang cong » dang cong, bang song, hang cong
trinh va » trinh van, trinh vat, trinh ve
cong tan » cong tac, cong san, cong thanh
va bang » va nang, va lang, va ban
ban dau » bat dau, ban dan, van dau
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) or (chieu xanh)) - hanh trinh va bang cong tan ((ban dau) or (van cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu xanh)) - hanh trinh va bang cong tan ((ban dau) OR (van cau)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu xanh)) - hanh trinh va bang cong tan ((ban dau) or (van cau))*.