Perhaps you should try some spelling variations:
"supply von international policies." » "supply von international politics.", "supply von international prices.", "supply von international policy.", "supply von internationalen policies.", "supply von internationaler policies.", "supply bonn international policies.", "supply ann international policies.", "supply donor international policies."
"supply changing international services." » "supply banking international services.", "supply nanning international services.", "supply rethinking international services.", "supply changing international service.", "supply changing international series.", "supply changing international prices.", "supply chain international services.", "supply chains international services.", "supply planning international services."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply von international policies.") or ("supply changing international services."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply von international policies.") OR ("supply changing international services.")).
• Removing quotes may allow a broader search: (( supply von international policies. ) or ( supply changing international services. )).
• Adding a wildcard symbol may retrieve word variants: (("supply von international policies.") or ("supply changing international services."))*.