Perhaps you should try some spelling variations:
ngang thanh » nganh thanh, ngan thanh, nhanh thanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
nang thanh » dang thanh, tang thanh, nhanh thanh
doi chieu » doc hieu, ho chieu, mot chieu
doanh cua » doanh luan
cua nhung » va nhung
doi chi » doi khi

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 (doi chi)) sang - canh doanh cua nhung cong ((ngang thanh) or (nang thanh)) ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) sang - canh doanh cua nhung cong ((ngang thanh) OR (nang thanh)) ca.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doi chi)) sang - canh doanh cua nhung cong ((ngang thanh) or (nang thanh)) ca".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doi chi)) sang - canh doanh cua nhung cong ((ngang thanh) or (nang thanh)) ca*.