Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
trung tuan » trung thanh, trung tam, tran tuan
tuan trong » thuan trong, quan trong, tran trong
tang thanh » dang thanh, trung thanh, hoang thanh
tan thanh » tran thanh, toan thanh, ban thanh
ho chieu » hoc thieu, doi chieu, mot chieu

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 tuan trong cong ((tan thanh) OR (tang thanh)) ca~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sach - thanh trung tuan trong cong ((tan thanh) or (tang thanh)) ca~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) sach - thanh trung tuan trong cong ((tan thanh) or (tang thanh)) ca*.