Perhaps you should try some spelling variations:
network synthesis » network systems
evidence network » dence network, incidence networks, resilience network
guidance network » finance network, guided network, distance network
science network » sciences network, science networks, science work
health science » health sciences
guide network » guided network, side network, wide network
health guide » health guido, earth guide, health grid

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