Perhaps you should try some spelling variations:
network synthesis » network systems
evidence network » science network, dence network, incidence networks
sequence network » sequence networks, science network, sequential network
guidance network » finance network, guided network, science network
health evidence » health science
health sequence » health sequelae, heart sequence, health consequence
guide network » guided network, side network, wide network

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