Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
song van » hoang van, trong van, duong van
van chat » cao 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 cua tong ((((cong tan) or (cong san))) or (song van)) van chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trinh cua tong ((((cong tan) OR (cong san))) OR (song van)) van chat.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trinh cua tong ((((cong tan) or (cong san))) or (song van)) van chat*.