Perhaps you should try some spelling variations:
gain debate » aid debate, making debate
wang liang » wang yang
liang ying » liang liying, huang ying, zhang ying
ying gain » ying jin, qing gan, ring gai
how safe » how safety, how space, how scale
how shih » how six
how she » how some

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 gain debate during crises ((((how she) OR (how safe))) OR (how shih)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ying gain debate during crises ((((how she) OR (how safe))) or (how shih)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang ying gain debate during crises ((((how she) OR (how safe))) or (how shih)) ;*.