Perhaps you should try some spelling variations:
networks synthesis » networks systems, nets synthesis
network synthesis » network systems
evidence network » science network, guidance network, dence network
science networks » science network, sciences network, sequence networks
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 networks synthesis report ))) OR ( health guide network synthesis report )).
• Adding a wildcard symbol may retrieve word variants: (((( health evidence network synthesis report ) or ( health science networks synthesis report ))) or ( health guide network synthesis report ))*.