Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
best data » test data, cost data, best damn
can young » cyn young, kang young, can you
young yun » kyoung yun, young eun, young young
wei yang » pei yang, wei wang, wei yang's
day your » pay your, way your, way you
data can » ata can, data case
say you » way you

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((wei yang) or (((yang yang) or (dong sin)))) ((day your) or (say you)) best data can young yun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wei yang) OR (((yang yang) OR (dong sin)))) ((day your) OR (say you)) best data can young yun ;.
• Adding a wildcard symbol may retrieve word variants: ((wei yang) or (((yang yang) or (dong sin)))) ((day your) or (say you)) best data can young yun ;*.