Perhaps you should try some spelling variations:
"occasional writings, occasional writer" » "occasional writings, occasions written"
"occasional notess, occasional notes" » "occasional notices, occasional notes", "occasional poems, occasional notes", "occasion notes, occasional notes"

Try widening your search to All Fields.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("occasional writings, occasional writer") OR ("occasional notess, occasional notes")).
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