Perhaps you should try some spelling variations:
network synthesis » network systems
evidence network » science network, guidance network, incidence networks
health evidence » health science
finance network » financial network, distance network, guidance network
health finance » health financing, health insurance
dence network » defence network, dense networks, device network
health dence » health device, health science, health devices
health dense » healthy sense, health disease, health device

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 network synthesis report ) OR ( health dense 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 network synthesis report ) OR ( health dense 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 network synthesis report ) OR ( health dense network synthesis report ))))) or ( health finance network synthesis report ))*.