Perhaps you should try some spelling variations:
trust during » crust during, trust ring, trust using
crises china » crisis china's, classes china, crises asia
china shen » china chen, china stein, china sea
yang mind » yang cindy, yang jin, sang minh
wang dan » wang yan, wang ban, wang yidan
yang end » yang d

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 dan ((((yang end) OR (yang anda))) OR (yang mind)) trust during crises china shen ;~.
• Adding a wildcard symbol may retrieve word variants: wang dan ((((yang end) or (yang anda))) or (yang mind)) trust during crises china shen ;*.