Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
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 cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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