Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chinh » thien chinh, te chinh, che chinh
manh cua » doanh cua
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.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chinh sach - canh ((manh cua) or (ban cua)) nhung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chinh sach - canh ((manh cua) OR (ban cua)) nhung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: theo chinh sach - canh ((manh cua) or (ban cua)) nhung cong dan than cau*.