Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
doanh cua » doanh luan
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
ban cua » ban quan

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 tieu xanh - canh ((((manh cua) OR (doanh cua))) OR (ban cua)) nhung cong dan than cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - canh ((((manh cua) or (doanh cua))) or (ban cua)) nhung cong dan than cau*.