Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
trung tran » trung tuan, trung thanh, trung tam
tran hoang » tran hong, quan hoang, tran quang
thanh lap » thanh san, phan lap, thanh hai
ho chieu » hoc thieu, doi chieu, mot chieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh

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