Perhaps you should try some spelling variations:
2.4 changes » 2.2 changes, 3.4 changes, 2.3 changes
i4 changes » 3.4 changes, 4.4 changes, 8.4 changes
yong liang » yang liang, song ligang, wang liang
wang yong » wang yang, wang hyoung, wang yan
4 changes » 2 changes, 3 changes, 3.4 changes
asia cong » asia hong, asia long, asia can
liang di » liang li, liang dan, liang wei

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 liang di ((4 changes) OR (((i4 changes) OR (2.4 changes)))) asia cong shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong liang di ((4 changes) or (((i4 changes) or (2.4 changes)))) asia cong shu ;*.