Perhaps you should try some spelling variations:
young john » kong john, wong john, young jean
yang john » king john, yang jin, yang jun
hua irene » hua ren
yan tuan » yan guan, yan yuan, anh tuan
nan yan » nan ya, wang yan, qian yan
bonn ze » bonn die, bonn der, bonn zur
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 tuan) or (nan yan)) hua irene ((yang john) OR (young john)) bonn ze ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan tuan) OR (nan yan)) hua irene ((yang john) OR (young john)) bonn ze ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan tuan) or (nan yan)) hua irene ((yang john) OR (young john)) bonn ze ;".
• Adding a wildcard symbol may retrieve word variants: wang ((yan tuan) or (nan yan)) hua irene ((yang john) OR (young john)) bonn ze ;*.