Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
mot chieu » doi chieu, ho chieu
hoc thieu » hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
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: ((mot chieu) OR (((hoc thieu) OR (toc thieu)))) sach - thanh trung cua nhung cong dan than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (((hoc thieu) OR (toc thieu)))) sach - thanh trung cua nhung cong dan than cap~".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (((hoc thieu) OR (toc thieu)))) sach - thanh trung cua nhung cong dan than cap*.