Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong manh » cong danh, duong manh, cong thanh
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (nhieu tang)) - canh tranh cua nhung cong manh ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (nhieu tang)) - canh tranh cua nhung cong manh ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (nhieu tang)) - canh tranh cua nhung cong manh ((toan tai) or (toan cao))*.