Perhaps you should try some spelling variations:
"occasional verse, occasional prayers" » "occasional verse, occasional poems"
"occasional drivers, occasional writer" » "occasional papers, occasional writer", "occasional prayer, occasional writer", "occasional trainer, occasional writer", "occasional drivers, occasional notes", "occasional drivers, occasions written"
"occasional letters, occasional writer" » "occasional letter, occasional writer", "occasional notes, occasional writer", "occasional papers, occasional writer", "occasional letters, occasional notes", "occasional letters, occasions written"

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 verse, occasional prayers") OR ((("occasional drivers, occasional writer") OR ("occasional letters, occasional writer")))).
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