Perhaps you should try some spelling variations:
baxter david » baker david, raitzer david, hauner david
yang juden » yang junsen, yang judy, yang jun
gang yang » wang yang, huang yang, wang yan
yang yang » wang yang, wang yan
juden 7d » juden und, juden _, juden im
hong hai » shang hai, zhong tai, dang hai
young 4 » young _, young 5, young 6

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: gang yang yang juden 7d baxter david ((hong hai) OR (young 4)) ;~.
• Adding a wildcard symbol may retrieve word variants: gang yang yang juden 7d baxter david ((hong hai) or (young 4)) ;*.