Perhaps you should try some spelling variations:
"evidence-based synthesis program" » "evidence-based synthesis problems"
"Evidence-acid synthesis program" » "Evidence-acid synthesis problems"
"Evidence-acid synthesis process" » "Evidence-acid synthesis processing", "Evidence-acid synthesis problems", "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 program") OR ((((("Evidence-acid synthesis program") OR ("Evidence-acid synthesis process"))) OR ("evidence-acid synthesis problem")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"evidence-based synthesis program\") or (((((\"Evidence-acid synthesis program\") OR (\"Evidence-acid synthesis process\"))) or (\"evidence-acid synthesis problem\"))))".
• Removing quotes may allow a broader search: (( evidence-based synthesis program ) or ((((( Evidence-acid synthesis program ) OR ( Evidence-acid synthesis process ))) or ( evidence-acid synthesis problem )))).
• Adding a wildcard symbol may retrieve word variants: (("evidence-based synthesis program") or ((((("Evidence-acid synthesis program") OR ("Evidence-acid synthesis process"))) or ("evidence-acid synthesis problem"))))*.