Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
trinh tan » trinh toan, trinh tuan, trinh han
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tan dung » tran dung, tin dung, van dung
cong san » cong tac
tan cau » toan cau, tan ca, tao cau
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 tan dung cong san ((tan cau) OR (van cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trinh tan dung cong san ((tan cau) OR (van cau))*".