Perhaps you should try some spelling variations:
nhung dang » nhung lang, nhung dung, nhung bang
doi chieu » doi chi, ho chieu, mot chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
dang van » hoang van, hang va
van tai » von tai, van tuan

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 (doc hieu)) sang - canh tranh cua nhung dang van tai (ngan OR nhan)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) sang - canh tranh cua nhung dang van tai (ngan OR nhan).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (doc hieu)) sang - canh tranh cua nhung dang van tai (ngan OR nhan)".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doc hieu)) sang - canh tranh cua nhung dang van tai (ngan OR nhan)*.