Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang mind » yang cindy, yang jin, sang minh
yang yao » yang yang, wang yan, yang yi
than bad » than bau, than a, than big
fan data » can data, dan data, loan data
mind how » aid how
how hai » how has, how ai, how hci

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: wang yang yao ((than bad) OR (fan data)) yang mind how hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang yao ((than bad) or (fan data)) yang mind how hai ;*.