Perhaps you should try some spelling variations:
nhung cuong » nhung cong, hung cuong, nhung chong
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cua nhung » va nhung
cuong bai » uong bi, cuong ma
chi danh » chi dan, chi anh, chi hanh
chi dinh » chi minh, chi binh, chu dinh
bai toan » bai tap
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: doi ((chi danh) or (chi dinh)) - canh doanh cua nhung cuong bai toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi danh) OR (chi dinh)) - canh doanh cua nhung cuong bai toan ban.
• Adding a wildcard symbol may retrieve word variants: doi ((chi danh) or (chi dinh)) - canh doanh cua nhung cuong bai toan ban*.