Perhaps you should try some spelling variations:
network synthesis » network systems
evidence network » science network, incidence networks, resilience network
guidance network » guide network, finance network, impedance network
distance network » distance networks, resistance network, disease network
health evidence » health science
health guidance » health finance, health substance
health distance » healthy distance, earth distance, health assistance
dence network » dense network, defence network, dense networks
health dence » health device, health science, 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 evidence network synthesis report ) OR ( health dence network synthesis report ))) OR ( health guidance network synthesis report ))) OR ( health distance 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 guidance network synthesis report ))) or ( health distance network synthesis report ))".
• Adding a wildcard symbol may retrieve word variants: (((((( health evidence network synthesis report ) OR ( health dence network synthesis report ))) or ( health guidance network synthesis report ))) or ( health distance network synthesis report ))*.