Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
mot chieu » doi chieu, ho chieu
tranh vat » trinh vat, tranh va, tranh van
trong dan » trong dang, trong san, trong tan
vat dung » van dung, va dung, viet dung
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (theo chieu)) xanh - canh tranh vat dung trong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) xanh - canh tranh vat dung trong dan toan ban*.