Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
tranh vat » trinh vat, tranh va, tranh van
trong tan » trong quan, trong cac, trong ca
ho chieu » theo chieu, hoc thieu, mot chieu
vat dung » van dung, va dung, viet dung
tan phan » toan phan, than phan, van phan
phan cac » nhan cach, phan dau, phan lap

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) or (ho chieu)) sang - canh tranh vat dung trong tan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) sang - canh tranh vat dung trong tan phan cac.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) sang - canh tranh vat dung trong tan phan cac*.