Perhaps you should try some spelling variations:
young john » kong john, wong john, young jean
wang oanh » wang yan, wang yang, wang ban
dang anh » duong anh
tran hua » tuan hua, tran duc
yang jun » yang jui, pang jun, yang jin
bonn sam » bonn am, bonn zum, bonn a
tan hua » tuan hua, wang hua, tan chia

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang oanh) or (dang anh)) ((tran hua) or (tan hua)) chen ((yang jun) or (young john)) bonn sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang oanh) OR (dang anh)) ((tran hua) OR (tan hua)) chen ((yang jun) OR (young john)) bonn sam ;.
• Adding a wildcard symbol may retrieve word variants: ((wang oanh) or (dang anh)) ((tran hua) or (tan hua)) chen ((yang jun) or (young john)) bonn sam ;*.