Perhaps you should try some spelling variations:
readings risk » readiness risk, leading risk, ratings risk
liang ying » liang liying, zhang ying, jiang yajing
huang ying » huang jing, huang ting, huang yang
a closed » _ closed, a closer
among hr » among hard, among ers, among hiv
a close » a closer, _ close, _ closed

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) or (huang ying)) ((a close) OR (a closed)) readings risk among hr ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((liang ying) OR (huang ying)) ((a close) OR (a closed)) readings risk among hr ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((liang ying) or (huang ying)) ((a close) OR (a closed)) readings risk among hr ;*".