Perhaps you should try some spelling variations:
china expert » china export, china's export, child experts
expert yang » expert panel
dang hadi » dang hai
yang lin » yang jin, wang lin, yang li
lin dang » bin dann, ein dank, le dang
wang » wing, wan, lang
sin » sign, sind, skin

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yan) OR (dong sin)) mao china expert yang lin dang hadi ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (dong sin)) mao china expert yang lin dang hadi ;*.