Perhaps you should try some spelling variations:
network synthesis » network systems
guidance network » guide network, finance network, science network
health guidance » health evidence, health finance
system report » system reform, system support, system recent
health guided » health guide, hath guided, health guido

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 ((guidance network) OR (impedance network)) system report ) OR ((( ((health guidance) OR (health substance)) network synthesis report ) OR ( health guided network synthesis report )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( health ((guidance network) OR (impedance network)) system report ) or ((( ((health guidance) or (health substance)) network synthesis report ) or ( health guided network synthesis report ))))".
• Adding a wildcard symbol may retrieve word variants: (( health ((guidance network) OR (impedance network)) system report ) or ((( ((health guidance) or (health substance)) network synthesis report ) or ( health guided network synthesis report ))))*.