Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
vat data » fat data, nat data, data data
data map » data mart, data mean
map song » a song
wan yan » wang yan, nan yan, wai yan
way you » why you
you vat » you eat, you beat, you cant
song yu » song yun, hong yu, rong yu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wan yan) or (yang yang)) way you vat data map song yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (yang yang)) way you vat data map song yu ;.
• Adding a wildcard symbol may retrieve word variants: ((wan yan) or (yang yang)) way you vat data map song yu ;*.