Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
navigation services » sanitation services, information services
new integration » der integration, de integration, deep integration
air navigation » _ navigation
support air » support agri, support a, support act
supply new » supply needs

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply new integration efforts. ) or ( support air navigation services. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply new integration efforts. ) OR ( support air navigation services. )).
• Adding a wildcard symbol may retrieve word variants: (( supply new integration efforts. ) or ( support air navigation services. ))*.