Perhaps you should try some spelling variations:
wrong john » wong john, strong john, kong john
ren wrong » went wrong, been wrong, get wrong
tran hua » tan hua, tuan hua, tran duc
yuan hui » yuan fei, jaan hui, tuan hua
bonn ana » bonn a, bonn am, bonn und
bonn auf » bonn zur, bonn zum, bonn a
wang » wing, wan, lang

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 yan ((tran hua) OR (yuan hui)) ren wrong john ((bonn ana) OR (bonn auf)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((tran hua) or (yuan hui)) ren wrong john ((bonn ana) OR (bonn auf)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan ((tran hua) or (yuan hui)) ren wrong john ((bonn ana) OR (bonn auf)) ;*.