Perhaps you should try some spelling variations:
network synthesis » network systems
evidense network » evidence network, dense networks, disease network
guidance network » guide network, finance network, impedance network
science network » sciences network, science networks, science work
health guidance » health evidence, health finance, health substance
health science » health sciences
dense network » dense networks
dence network » defence network, dense networks, device network
health dence » health device, health evidence, health devices

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