Perhaps you should try some spelling variations:
"health substance network synthesis report" » "health distance network synthesis report", "health substrate network synthesis report", "health resistance network synthesis report", "health substance network systems report"
"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 sciences » earth sciences

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