Perhaps you should try some spelling variations:
"health guidance network synthesis report" » "health guidance network systems report", "health guide network synthesis report", "health finance network synthesis report", "health impedance network synthesis report", "health evidence network synthesis report", "health substance network synthesis report"
health incidence » death incidence, health incident, health evidence
health science » health sciences
nets synthesis » net synthesis, dots synthesis, agents synthesis
its synthesis » dots synthesis, its synthetic, agents synthesis

Try widening your search to All Fields.

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 science)) ((nets synthesis) OR (its synthesis)) report") OR ("health guidance network synthesis report")).
• Removing quotes may allow a broader search: (( ((health incidence) or (health science)) ((nets synthesis) OR (its synthesis)) report ) or ( health guidance network synthesis report )).
• Adding a wildcard symbol may retrieve word variants: (("((health incidence) or (health science)) ((nets synthesis) OR (its synthesis)) report") or ("health guidance network synthesis report"))*.