Perhaps you should try some spelling variations:
networks synthesis » network synthesis, networks systems
health impedance » health importance, health temperance, head impedance
health science » health sciences
nets synthesis » net synthesis, dots synthesis, its synthesis
systems report » system report, systems support, systems recent

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