Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
nhung cong » dung cong, thong cong, hang cong
thanh than » thanh thanh, thanh thang, thanh toan
hanh dong » ha dong
chao chu » cho chu, cua chu, cao cho
chu sach » cau sach, thu sach, chieu sach
anh dong » anh huong, anh son
than cau » toan cau, phan cau, than cap

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: chao chu sach - ((hanh dong) OR (anh dong)) va nhung cong thanh than cau~.
• Adding a wildcard symbol may retrieve word variants: chao chu sach - ((hanh dong) or (anh dong)) va nhung cong thanh than cau*.