Perhaps you should try some spelling variations:
network synthesis » network systems
evidence network » science network, dence network, incidence networks
guidance network » guide network, impedance network, guided network
health evidence » health science
health guidance » health substance
finance network » financial network, distance network, finance work
network system » network systems, networked systems
health finance » health financing, health insurance
system report » system reform, system support, system reforms
health guido » health guide, health gindo, health guiding
health grid » health guide, health gis, health good

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 system report ) OR ((((( health guidance network synthesis report ) OR ( health finance network synthesis report ))) OR ( ((health grid) OR (health guido)) network synthesis report )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( health evidence network system report ) or ((((( health guidance network synthesis report ) or ( health finance network synthesis report ))) or ( ((health grid) OR (health guido)) network synthesis report ))))".
• Adding a wildcard symbol may retrieve word variants: (( health evidence network system report ) or ((((( health guidance network synthesis report ) or ( health finance network synthesis report ))) or ( ((health grid) OR (health guido)) network synthesis report ))))*.