Perhaps you should try some spelling variations:
network synthesis » network systems
sciences network » services network
guidance network » guide network, finance network, impedance network
defence network » defense network, defenses network, defense networks
science network » science networks, science work, sequence networks
health guidance » health evidence, health finance, health substance
health defence » health adherence, health reference, health terrence
dence network » dense network, dense networks, device network
health dence » health device, health evidence, health science

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