Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, mot chieu
cua dang » cua cong, cua ban
cong san » cong tac
san chan » san chang, dan chan, san chay
chan cao » chan cho, chat cao, chay cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi chieu)) sang - canh tranh ((cua dang) or (cua nhung)) cong san chan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sang - canh tranh ((cua dang) OR (cua nhung)) cong san chan cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) sang - canh tranh ((cua dang) or (cua nhung)) cong san chan cao*.