Perhaps you should try some spelling variations:
changes made » changes a, changes due
test playing » test planting, post playing, team playing
jin changes » main changes, run changes, jin chang
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
test ying » test using
lang 2 » lang 3, lang _, lang a

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: ((dong yang) OR (yang yang)) lang 2 ((test ying) OR (test playing)) jin changes made ;~.
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (yang yang)) lang 2 ((test ying) or (test playing)) jin changes made ;*.