Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
cua nhung » va nhung
theo toc » ho toc, thac toc, theo doi
anh dung » anh dong, anh huong, ung dung
toan cao » toan ban, toan tap
theo bo » thao bo, theo doi, theo don

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 toc) OR (theo bo)) sach - ((anh dung) OR (sach dung)) cua nhung cong thanh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo toc) or (theo bo)) sach - ((anh dung) OR (sach dung)) cua nhung cong thanh toan cao~".
• Adding a wildcard symbol may retrieve word variants: ((theo toc) or (theo bo)) sach - ((anh dung) OR (sach dung)) cua nhung cong thanh toan cao*.