Perhaps you should try some spelling variations:
network synthesis » network systems
substance network » distance network, substrate network, resistance network
sequelae network » sequence network, sequence networks, sequential network
science network » science networks, science work, sequence networks

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 sequelae network synthesis report ))) OR ( health substance network 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 sequelae network synthesis report ))) or ( health substance network synthesis report ))".
• Adding a wildcard symbol may retrieve word variants: (((( health ((science network) OR (sciences network)) synthesis report ) or ( health sequelae network synthesis report ))) or ( health substance network synthesis report ))*.