Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
trung cap » truong cao, trung tam
ho chieu » theo chieu, doi chieu, mot chieu
cong dan » cong san, cong tan, cong dong
than cau » toan cau, phan cau, than cap
cap han » cap phan, cap can, cap hay

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) or (hoc thieu)) sach - thanh trung cap han ((cong dan) or (huong dan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - thanh trung cap han ((cong dan) OR (huong dan)) than cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - thanh trung cap han ((cong dan) or (huong dan)) than cau*.