Perhaps you should try some spelling variations:
minh tong » minh cong, dinh tung, min hong
wing yan » wang yan, wing ian, wing tan
yang lin » yang jin, wang lin, yang liang
kim song » kim young, kim eung
yun song » hyun song, yun young, jin song
tong hui » wang hui
yang li » yang di, yang xi, yang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan ((yang lin) OR (yang li)) ((kim song) or (yun song)) minh tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan ((yang lin) OR (yang li)) ((kim song) OR (yun song)) minh tong hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan ((yang lin) OR (yang li)) ((kim song) or (yun song)) minh tong hui ;*".