Perhaps you should try some spelling variations:
influence networks » inference networks, inference network, reference networks
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 evidence » health science
systems report » system report, systems support, systems recent
guide network » guided network, side network, wide network
guido network » guided network, sudo network, guided networks
health guide » earth guide, health grid, health side
health guido » health gindo, health grid, health guiding

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 systems report ))) OR ((( health guide network synthesis report ) OR ( health guido 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 systems report ))) or ((( health guide network synthesis report ) OR ( health guido network synthesis report ))))".
• Adding a wildcard symbol may retrieve word variants: (((( health evidence network synthesis report ) or ( health influence networks systems report ))) or ((( health guide network synthesis report ) OR ( health guido network synthesis report ))))*.