Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
doanh cua » doanh luan
dang cong » dung cong
hieu cua » hieu qua, dieu cua, bieu cua
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
hieu ca » hieu cac, hieu va, hieu xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu ca) OR (hieu cua)) - canh doanh cua ((nhung cong) or (dang cong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu ca) OR (hieu cua)) - canh doanh cua ((nhung cong) OR (dang cong)) dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu ca) OR (hieu cua)) - canh doanh cua ((nhung cong) or (dang cong)) dan toan cau".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu ca) OR (hieu cua)) - canh doanh cua ((nhung cong) or (dang cong)) dan toan cau*.