Perhaps you should try some spelling variations:
network synthesis » network systems
evidence network » science network, dence network, incidence networks
distance network » distance networks, resistance network, disease network
guidance network » guide network, impedance network, guided network
health evidence » health science
finance network » financial network, finance work, fine network
health guidance » health finance, health substance
systems report » systems support, systems recent, systems transport
network system » network systems, networked systems
system report » system reform, system support, system 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 ((finance network) OR (distance network)) systems report ) OR ( health guidance network system report )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( health evidence network synthesis report ) or ((( health ((finance network) OR (distance network)) systems report ) or ( health guidance network system report ))))".
• Adding a wildcard symbol may retrieve word variants: (( health evidence network synthesis report ) or ((( health ((finance network) OR (distance network)) systems report ) or ( health guidance network system report ))))*.