Perhaps you should try some spelling variations:
nhung cuong » hung cuong, nhung chong, nhung huong
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
doanh cua » doanh luan
chi danh » chi dan, chi anh, chi hanh
chi dinh » chi minh, chi binh, chu dinh
tap toan » tap doan, tap quan, bai toan
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) OR (nhung cong)) tap 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) OR (nhung cong)) tap toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi danh) or (chi dinh)) - canh doanh cua ((nhung cuong) OR (nhung cong)) tap toan ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chi danh) or (chi dinh)) - canh doanh cua ((nhung cuong) OR (nhung cong)) tap toan ban*.