Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong nan » dong nan, yong ben, yong cai
pay gain » pay gap, pay fair, pid gain
pay gaps » pay gap
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, yang xi
kang hay » eang hay, kang han, dang hai

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 yong nan ((pay gain) OR (pay gaps)) ((yang jin) OR (yang jie)) kang hay ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong nan ((pay gain) OR (pay gaps)) ((yang jin) or (yang jie)) kang hay ;~".
• Adding a wildcard symbol may retrieve word variants: wang yong nan ((pay gain) OR (pay gaps)) ((yang jin) or (yang jie)) kang hay ;*.