Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
tranh cua » doanh cua, manh cua
dung cong » dung trong
choi chu » cho chu, choi cho, chon chu
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
hoi chu » hoi chuc

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

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