Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thanh ban » thanh san, thanh van, thanh bac
cua nhung » va nhung
hoc kinh » luoc kinh
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cap » khan cap, than cap, cao cap
ban cua » ban quan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc kinh) or (hoc sinh)) sach - thanh ban cua nhung cong dan chan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc kinh) OR (hoc sinh)) sach - thanh ban cua nhung cong dan chan cap.
• Adding a wildcard symbol may retrieve word variants: ((hoc kinh) or (hoc sinh)) sach - thanh ban cua nhung cong dan chan cap*.