Perhaps you should try some spelling variations:
kang young » wang hyoung
yang yang » wang yang, wang yan
your cost » your most, your best, your boss
cost data » test data
data kang » data kai, data kate
young yun » kyoung yun, young eun, young young
wei yang » pei yang, wei wang, wei yang's
dong bin » dong sin, dong di, dann bin
way your » way you, why your, day your
wai yan » wang yan

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

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