Perhaps you should try some spelling variations:
hyun song » yun song, kyu song
yang july » yang judy, yang jun
song ming » song bing, song min, gong min
yang jui » yang judy, yang di, yang yi
cong van » congo can, duong van, cong sun
yang xi » yang di, yang yi
ton van » tran 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 xi))) or (yang july)) hyun song ming ((ton van) OR (cong van)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((((yang jui) OR (yang xi))) OR (yang july)) hyun song ming ((ton van) OR (cong van)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((((yang jui) or (yang xi))) or (yang july)) hyun song ming ((ton van) OR (cong van)) ;*".