Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
bang cong » dang cong, bang song, hang cong
vang phan » van phan, nang phan, quang phan
treo chu » theo chu, tho chu
chu nang » chuc nang, chua nang, cuu nang
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: treo chu nang - canh tranh cua ((nhung cong) or (bang cong)) vang phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: treo chu nang - canh tranh cua ((nhung cong) OR (bang cong)) vang phan dau.
• Adding a wildcard symbol may retrieve word variants: treo chu nang - canh tranh cua ((nhung cong) or (bang cong)) vang phan dau*.