Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
hanh trinh » canh tranh, hanh chinh
van doanh » toan doanh, van dong, van thanh
doanh cho » danh cho, doanh co, doanh cao
cua hang » cua nhung, cua cong, cua ban
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) OR (chinh sach)) - hanh trinh ((cua hang) or (cua dang)) cong van doanh cho~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chinh sach)) - hanh trinh ((cua hang) OR (cua dang)) cong van doanh cho.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chinh sach)) - hanh trinh ((cua hang) or (cua dang)) cong van doanh cho".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chinh sach)) - hanh trinh ((cua hang) or (cua dang)) cong van doanh cho*.