Perhaps you should try some spelling variations:
seiner anhang » seine anhang, einem anhang, redner anhang
changes und » changes used, changes did, changes us
und seiner » und seine, und sein
3 changes » 2 changes, 3 change, 4 changes
wang yang » wang yan, wang liang, wang yanling
yang jie » yang jin, yang jui, yang xi
anhang c » anhang 1, anhang a, anhang i
yang yi » yang xi, yang jui
ngo 1 » nao 1, ngo _, ngo a

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((wang yang) or (yang jie))) or (((yang yi) or (yang di))))ngo 1 3 changes und seiner anhang c ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wang yang) OR (yang jie))) OR (((yang yi) OR (yang di))))ngo 1 3 changes und seiner anhang c ;.
• Adding a wildcard symbol may retrieve word variants: ((((wang yang) or (yang jie))) or (((yang yi) or (yang di))))ngo 1 3 changes und seiner anhang c ;*.