Perhaps you should try some spelling variations:
"evidence-based synthesis program" » "evidence-based synthesis problems", "evidence-based synthesis process"
"evidence-acid synthesis program" » "evidence-acid synthesis problems", "evidence-acid synthesis process"

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• 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 problem")))).
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