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