Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trung cap » truong cao, trung tam
cap nhung » cam nhung, vap nhung, dap nhung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than ban » thanh ban, toan ban, than man
than ma » than man, than va, khan ma

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh trung cap nhung ((cong dan) OR (cong san)) ((than ban) OR (than ma))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh trung cap nhung ((cong dan) OR (cong san)) ((than ban) or (than ma))~".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh trung cap nhung ((cong dan) OR (cong san)) ((than ban) or (than ma))*.