Perhaps you should try some spelling variations:
best data » test data, best damn, post data
cost data » test data
text data » text das, context data, textual data
song skin » song shin, song jin, song min
want you » what you
kie song » kim song, jie song, kie wong
can zhi » cao zhi, yan zhi, wang zhi

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: want you can zhi ((((best data) OR (cost data))) OR (text data)) kie song skin ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "want you can zhi ((((best data) OR (cost data))) or (text data)) kie song skin ;~".
• Adding a wildcard symbol may retrieve word variants: want you can zhi ((((best data) OR (cost data))) or (text data)) kie song skin ;*.