Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
canh doanh » hanh doanh, chinh doanh, doanh doanh
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu lang - canh doanh cua ((nhung cong) or (thong thong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - canh doanh cua ((nhung cong) OR (thong thong)) dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - canh doanh cua ((nhung cong) or (thong thong)) dan toan cau*.