Perhaps you should try some spelling variations:
network synthesis » network systems
defenses network » defense network, addresses network, defenses new
science network » sciences network, science networks, science work
health defenses » heart defenses, health diseases, health depends
health guidance » health finance, health substance
health science » health sciences
dence network » dense network, defence network, dense networks
health dence » health device, health devices, health degree

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