Perhaps you should try some spelling variations:
die reformen » die reform, die formen, der reformen
alan david » kaplan david, juan david, jan david
you zhang » you change, you liang, yan zhang
zhang die » anhang die, zhang joe, zhang dai
hong hai » shang hai, zhong tai, dang hai
wan you » want you, warn you, can you

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: wan you zhang die reformen ((sahn david) OR (alan david)) hong hai ;~.
• Adding a wildcard symbol may retrieve word variants: wan you zhang die reformen ((sahn david) or (alan david)) hong hai ;*.