Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
bang hang » ban hang, hang hang, nang hang
cot lieu » vat lieu, so lieu, cu lieu
hang cac » hang ca, hang cau, bang cac
co lieu » co hieu, so lieu, cu lieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((cot lieu) or (co lieu)) tinh - canh tranh cua ((nhung cong) or (hang cong)) bang hang cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((cot lieu) OR (co lieu)) tinh - canh tranh cua ((nhung cong) OR (hang cong)) bang hang cac.
• Adding a wildcard symbol may retrieve word variants: ((cot lieu) or (co lieu)) tinh - canh tranh cua ((nhung cong) or (hang cong)) bang hang cac*.