Perhaps you should try some spelling variations:
incidence networks » inference networks, science networks, incidents network
influence networks » inference networks, inference network, reference networks
substance network » distance network, substrate network, resistance network
science network » sciences network, science networks, science work
health science » health sciences
systems report » system report, systems support, systems recent

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: (((( health ((incidence networks) OR (influence networks)) synthesis report ) OR ( health science network systems report ))) OR ( health substance network synthesis report )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( health ((incidence networks) OR (influence networks)) synthesis report ) or ( health science network systems report ))) or ( health substance network synthesis report ))".
• Adding a wildcard symbol may retrieve word variants: (((( health ((incidence networks) OR (influence networks)) synthesis report ) or ( health science network systems report ))) or ( health substance network synthesis report ))*.