Perhaps you should try some spelling variations:
network synthesis » network systems
sciences network » services network
guidance network » finance network, impedance network, guided network
science network » science networks, science work, sequence networks
health guidance » health evidence, health finance, health substance
systems report » system report, systems support, systems recent
dence network » dense network, defence network, dense networks
guido network » guided network, sudo network, guided networks
guide network » guided network, side network, wide network

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