Perhaps you should try some spelling variations:
evidence network » science network, dence network, incidence networks
guidance network » guide network, finance network, impedance network
health evidence » health science
health guidance » health finance, health substance
systems report » system report, systems support, systems recent

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 systems report ) OR ( health guidance network synthesis report )).
• Adding a wildcard symbol may retrieve word variants: (( Health evidence network systems report ) or ( health guidance network synthesis report ))*.