Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, bien tinh
cong doan » cong dan, cong hoan, dong doanh
ha nhung » hoa nhung, hay nhung, pha nhung
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau
cong ha » cong hoa, dong ha, cong tac

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: ho ((lieu tinh) OR (diep tinh)) - thanh cong ha nhung cong doan ((phan cau) OR (phan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((lieu tinh) or (diep tinh)) - thanh cong ha nhung cong doan ((phan cau) OR (phan dau))~".
• Adding a wildcard symbol may retrieve word variants: ho ((lieu tinh) or (diep tinh)) - thanh cong ha nhung cong doan ((phan cau) OR (phan dau))*.