Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhieu tang » chieu sang, hieu lang, nhiet nang
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
tranh va » tranh van, trang va, trinh va
toan tap » toan ban
va dung » van dung, va duong, vat dung

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

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