Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
van dung » van dong, xay dung, tin dung
toan tap » toan ban
va dung » va duong, vat dung, va ung

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 (chieu sang)) - canh tranh ((va dung) or (van dung)) cong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (chieu sang)) - canh tranh ((va dung) OR (van dung)) cong manh toan tap.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu tinh) or (chieu sang)) - canh tranh ((va dung) or (van dung)) cong manh toan tap*.