Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
tung cap » trung cap, cung cap, thong cap
cap dung » ap dung, cao dung, chan dung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cau » toan cau, phan cau, than cap

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 tung cap dung ((cong dan) OR (cong san)) than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh tung cap dung ((cong dan) OR (cong san)) than cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh tung cap dung ((cong dan) OR (cong san)) than cau*.