Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
tuong su » thuong su, thong su, tuong tu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - thanh tuong su dung ((cong dan) OR (cong tan)) chan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh tuong su dung ((cong dan) OR (cong tan)) chan cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh tuong su dung ((cong dan) OR (cong tan)) chan cau*.