Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » thong cong, hang cong, nhung don
tranh cua » doanh cua, manh cua
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » dan chan, ban than, van than

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

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