Perhaps you should try some spelling variations:
convergence network » converged networks, convergence between
consequence network » sequence network, sequence networks, competence network
health consequence » health consequences, health conference, healthconsequences _
health convergence » health conference, real convergence, health conferences
network synthesis » network systems
health impedance » health importance, health temperance, head impedance
health guidance » health evidence, health finance

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