Perhaps you should try some spelling variations:
network synthesis » network systems
evidence network » science network, guidance network, dence network
finance network » financial network, distance network, guidance network
systems report » systems support, systems recent, systems transport
health finance » health financing, health insurance
system report » system reform, system support, system reforms
science work » science works, science where, science what
grid network » grid networks, hybrid network, world network
health grid » health guide, health guido, health gis

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