Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
nong dan » cong dan, nguong dan, huong dan
nong san » cong san, dong san, trong san
toan cau » toan cao, toan ban, toan tap

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 (trieu tinh)) - hanh trang cua cong ((nong dan) OR (nong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (trieu tinh)) - hanh trang cua cong ((nong dan) OR (nong san)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (trieu tinh)) - hanh trang cua cong ((nong dan) OR (nong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (trieu tinh)) - hanh trang cua cong ((nong dan) OR (nong san)) toan cau*.