Perhaps you should try some spelling variations:
formen john » forman john, foreman john, formen von
yuan chang » yuan cheng, huang chang, han chang
der formen » der reformen, die formen, der form
john david » cohen david, sahn david, juan david
yuan wang » yan wang, yuan kang, qian wang
young ghi » young choi, hong ghi, young get
young let » young get, young men, young er

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan ((yuan wang) OR (yuan chang)) der formen john david ((young ghi) or (young let)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan ((yuan wang) OR (yuan chang)) der formen john david ((young ghi) OR (young let)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan ((yuan wang) OR (yuan chang)) der formen john david ((young ghi) or (young let)) ;*".