Perhaps you should try some spelling variations:
importance network » important network, impededance network, importation network
network synthesis » network systems
health importance » health insurance
health impedance » health temperance, head impedance, health imperative
science network » sciences network, science networks, science work
health science » health sciences

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