Perhaps you should try some spelling variations:
networks synthesis » networks systems, nets synthesis
network synthesis » network systems
distance networks » resistance network, state networks, alliance networks
sciences network » services network
distance network » resistance network, disease network, finance network
science network » science networks, science work, sequence networks
health distance » healthy distance, earth distance, health assistance

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