Perhaps you should try some spelling variations:
crises china » crisis china's, classes china, crises asia
exit during » credit during, mexico during
liang yang » liang ying, yang yang, huang yang
wang yang » wang yan, wang liang, wang yanling
china shu » china shen, china sea, china saw
dean » dewan, jean, den

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 ((liang yang) OR (wang yang)) dean exit during crises china shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((liang yang) or (wang yang)) dean exit during crises china shu ;*.