Perhaps you should try some spelling variations:
"evidence-based synthesis process" » "evidence-based synthesis problems", "evidence-based synthesis problem", "evidence-acid synthesis process"
"Evidence-based synthesis processing" » "Evidence-based synthesis problemsing", "Evidence-based synthesis probleming", "Evidence-acid synthesis processing"
"Evidence-based synthesis properties" » "Evidence-acid synthesis properties"

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: (("evidence-based synthesis process") OR ((("Evidence-based synthesis processing") OR ("Evidence-based synthesis properties")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"evidence-based synthesis process\") or (((\"Evidence-based synthesis processing\") OR (\"Evidence-based synthesis properties\"))))".
• Removing quotes may allow a broader search: (( evidence-based synthesis process ) or ((( Evidence-based synthesis processing ) OR ( Evidence-based synthesis properties )))).
• Adding a wildcard symbol may retrieve word variants: (("evidence-based synthesis process") or ((("Evidence-based synthesis processing") OR ("Evidence-based synthesis properties"))))*.