Perhaps you should try some spelling variations:
influence networks » inference networks, inference network, reference networks
networks synthesis » nets synthesis
network synthesis » network systems
evidence network » science network, guidance network, dence network
health influence » heart influence, death influence, earth influence
networks systems » network systems, networks system, networked systems
health impedance » health importance, health temperance, head impedance
health evidence » health science
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 evidence network synthesis report ) OR ((( health influence networks synthesis report ) OR ( health influence networks systems report ))))) OR ( health impedance network synthesis report )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( health evidence network synthesis report ) or ((( health influence networks synthesis report ) OR ( health influence networks systems report ))))) or ( health impedance network synthesis report ))".
• Adding a wildcard symbol may retrieve word variants: (((( health evidence network synthesis report ) or ((( health influence networks synthesis report ) OR ( health influence networks systems report ))))) or ( health impedance network synthesis report ))*.