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
health finance » health financing, health insurance
health device » health service, health services
health dence » health science, health devices, health degree

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