Perhaps you should try some spelling variations:
health incidence » death incidence, health evidence, path incidence
networks systems » networks system, networked systems, network system
guidance network » guide network, finance network, impedance network
health incident » health including
health guidance » health evidence, health finance, health substance
systems report » system report, systems support, systems recent
health science » health sciences
science work » science works, science world, science where
work systems » workflow systems

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