Perhaps you should try some spelling variations:
incidence networks » inference networks, influence networks, science networks
health incidence » death incidence, health incident, health science
guidance network » guide network, finance network, impedance network
science network » sciences network, science networks, sequence networks
health guidance » health evidence, health finance, health substance
systems report » system report, systems support, systems transport
science work » science works, science world, science where

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 incidence networks ((systems report) OR (systems recent)) ) OR ( health ((science network) OR (science work)) ((systems report) OR (systems recent)) ))) OR ( health guidance network ((systems report) OR (systems recent)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( health incidence networks ((systems report) or (systems recent)) ) or ( health ((science network) OR (science work)) ((systems report) or (systems recent)) ))) or ( health guidance network ((systems report) or (systems recent)) ))".
• Adding a wildcard symbol may retrieve word variants: (((( health incidence networks ((systems report) or (systems recent)) ) or ( health ((science network) OR (science work)) ((systems report) or (systems recent)) ))) or ( health guidance network ((systems report) or (systems recent)) ))*.