Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
cong ngang » cong nhan, cong quang, cong nong
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
cua nhung » va nhung
cong lang » cong vang, cong luong, cong quang
ho hieu » ho chieu, hoi hieu, nho hieu
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - doanh doanh cua nhung ((cong ngang) or (cong lang)) tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - doanh doanh cua nhung ((cong ngang) OR (cong lang)) tan cau*.