Perhaps you should try some spelling variations:
serve change » see change, observed change, reserve changes
wang liang » wang yang
liang wang » liang dan, liang tan, liang ying
min hyoung » min hong, mun young
can serve » can service, can survey, can save
wang can » wang yan, wang ban, wang dan

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 wang can serve change ((min hyoung) OR (kia hong)) ghi ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang wang can serve change ((min hyoung) or (kia hong)) ghi ;*.