Perhaps you should try some spelling variations:
during risk » using risk, during crises, during crisis
wang liang » wang yang
liang ying » liang liying, huang ying, zhang ying
can costa » can cost, can postal, da costa
among hui » among heis, among eu, tong hui
can past » can east, can fast, can post

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang ying ((can costa) or (can past)) during risk among hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang ying ((can costa) OR (can past)) during risk among hui ;.
• Adding a wildcard symbol may retrieve word variants: wang liang ying ((can costa) or (can past)) during risk among hui ;*.