Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
trung cua » truong cua, trung tuan, trung cap
ho chieu » hoc thieu, doi chieu, mot chieu
dong san » cong san, dong bang, dong von
khan dam » thanh dam, chang dam, khanh nam
khan ap » khan cap, han ap

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: ((ho chieu) OR (theo chieu)) sach - thanh trung cua cong dong san ((khan ap) OR (khan dam))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) sach - thanh trung cua cong dong san ((khan ap) OR (khan dam))~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sach - thanh trung cua cong dong san ((khan ap) OR (khan dam))*.