Perhaps you should try some spelling variations:
making change » managing change, leading change, making chapter
yeung making » adlung making, ang making, deuff making
china who » china why, china what, china won
yang jun » yang jui, pang jun, yang jin
yang jie » yang jin, yang di, yang jui
tong hui » wang hui

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: yeung making change china who ((yang jun) OR (yang jie)) tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: yeung making change china who ((yang jun) or (yang jie)) tong hui ;*.