Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
manh toan » thanh toan, anh tuan, tinh toan
va tuong » va thuong, va thong, xa truong
van than » van thanh, van thang, van tuan
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 - thanh tung ((va dung) or (va tuong)) cong ((manh toan) or (van than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - thanh tung ((va dung) OR (va tuong)) cong ((manh toan) OR (van than)) cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - thanh tung ((va dung) or (va tuong)) cong ((manh toan) or (van than)) cao*.