Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
xa truong » cac truong
trong dan » trong dang, trong san, trong tan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
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 ((chau tinh) or (lieu tinh)) - canh tranh ((va dung) or (xa truong)) trong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chau tinh) OR (lieu tinh)) - canh tranh ((va dung) OR (xa truong)) trong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: doi ((chau tinh) or (lieu tinh)) - canh tranh ((va dung) or (xa truong)) trong dan toan cao*.