Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
chinh cau » chinh chau, chinh ca, chinh can
cua dung » cua dang, cua dong, qua dung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (doi chieu)) sach - thanh trung cua dung ((cong dan) OR (cong san)) chinh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) sach - thanh trung cua dung ((cong dan) OR (cong san)) chinh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (doi chieu)) sach - thanh trung cua dung ((cong dan) OR (cong san)) chinh cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chieu)) sach - thanh trung cua dung ((cong dan) OR (cong san)) chinh cau*.