Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hanh dung » thanh dung, anh dung, hanh dong
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
dung cua » dung luan, dung cho
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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: theo chu sach - hanh dung cua ((((nhung cong) OR (hang cong))) OR (dang cong)) dan chan cau~.
• Adding a wildcard symbol may retrieve word variants: theo chu sach - hanh dung cua ((((nhung cong) or (hang cong))) or (dang cong)) dan chan cau*.