Perhaps you should try some spelling variations:
guidance network » guide network, finance network, impedance network
health guidance » health finance, health substance
health science » health sciences
systems report » system report, systems support, systems recent
health guido » health guide, health gindo, health guiding
health grid » health guide, health gis, health good

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