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

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 properties"))) OR ((("evidence-based synthesis processing") OR ("evidence-based synthesis problem")))).
• Removing quotes may allow a broader search: (((( evidence-based synthesis process ) or ( evidence-based synthesis properties ))) or ((( evidence-based synthesis processing ) or ( evidence-based synthesis problem )))).
• Adding a wildcard symbol may retrieve word variants: (((("evidence-based synthesis process") or ("evidence-based synthesis properties"))) or ((("evidence-based synthesis processing") or ("evidence-based synthesis problem"))))*.