Perhaps you should try some spelling variations:
"occasional prayers; occasional letter" » "occasional poems; occasional letter", "occasional prayers; occasional notes"
"occasional prayers; occasional verse" » "occasional poems; occasional verse"
"occasional writer; occasional letter" » "occasional notes; occasional letter", "occasions written; occasional letter", "occasional writer; occasional notes"

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: (("occasional writer; occasional letter") OR ((("occasional prayers; occasional letter") OR ("occasional prayers; occasional verse")))).
• Removing quotes may allow a broader search: (( occasional writer; occasional letter ) or ((( occasional prayers; occasional letter ) or ( occasional prayers; occasional verse )))).
• Adding a wildcard symbol may retrieve word variants: (("occasional writer; occasional letter") or ((("occasional prayers; occasional letter") or ("occasional prayers; occasional verse"))))*.