Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
cost data » test data
young yun » kyoung yun, young eun, young young
wing ian » wing tan, twinn ian, wing sun
way your » why your, day your, pay your
co young » c young, do young, how young
way you » why you
data co » data coe, data code, data crop

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing ian) or (((yang yang) or (dong sin)))) ((way your) OR (way you)) cost data co young yun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing ian) OR (((yang yang) OR (dong sin)))) ((way your) OR (way you)) cost data co young yun ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing ian) or (((yang yang) or (dong sin)))) ((way your) OR (way you)) cost data co young yun ;".
• Adding a wildcard symbol may retrieve word variants: ((wing ian) or (((yang yang) or (dong sin)))) ((way your) OR (way you)) cost data co young yun ;*.