Perhaps you should try some spelling variations:
books during » blooms during, banks during, boom during
wang liang » wang yang
crises how » crisis how
ying jun » yang jun, ying jin, yang jui
yang jie » yang di, yang jui, yang xi
yang jin » yang jun, ying jin, shang jin
how some » how women

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 ((ying jun) OR (((yang jie) OR (yang jin)))) books during crises how some ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ((ying jun) or (((yang jie) OR (yang jin)))) books during crises how some ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang ((ying jun) or (((yang jie) OR (yang jin)))) books during crises how some ;*.