Perhaps you should try some spelling variations:
guidance network » guide network, finance network, impedance network
systems support » system support, systems supporting, system supporting
health guidance » health evidence, health finance, health substance
systems report » system report, systems recent, systems transport
health science » health sciences
dence network » dense network, defence network, dense networks
health dence » health device, health evidence, health devices
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 dence network ((systems report) OR (systems support)) ) OR ( health science work ((systems report) OR (systems support)) ))) OR ( health guidance network ((systems report) OR (systems support)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( health dence network ((systems report) OR (systems support)) ) or ( health science work ((systems report) OR (systems support)) ))) or ( health guidance network ((systems report) OR (systems support)) ))".
• Adding a wildcard symbol may retrieve word variants: (((( health dence network ((systems report) OR (systems support)) ) or ( health science work ((systems report) OR (systems support)) ))) or ( health guidance network ((systems report) OR (systems support)) ))*.