Perhaps you should try some spelling variations:
network synthesis » network systems
death incidence » growth incidence, dengue incidence, graphs incidence
health science » health sciences
systems report » systems support, systems recent, systems transport
system report » system reform, system support, system reforms
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 science) OR (death incidence)) networks ((systems report) OR (system report)) ) OR ( health guide network synthesis report )).
• Adding a wildcard symbol may retrieve word variants: (( ((health science) or (death incidence)) networks ((systems report) or (system report)) ) or ( health guide network synthesis report ))*.