Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
von integration » von interaktion, can integration, 1.2 integration
saving services » savings services, sharing services, making services
water saving » water savings, water sharing, water heating
supply von » supply ann, supply donor

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 integration efforts. ) or ( supply water saving services. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply von integration efforts. ) OR ( supply water saving services. )).
• Adding a wildcard symbol may retrieve word variants: (( supply von integration efforts. ) or ( supply water saving services. ))*.