Perhaps you should try some spelling variations:
yang july » yang jun
john song » john wong, john bonn, john ngosong
song ming » song bing, song min, gong min
yang jui » yang di, yang yi
ming ton » ming kong
yang xi » yang di, yang yi
ton van » tran van, cong van, teun van
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan ((((((yang jui) or (yang judy))) or (yang xi))) or (yang july)) john song ming ton van ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((((((yang jui) OR (yang judy))) OR (yang xi))) OR (yang july)) john song ming ton van ;*.