Perhaps you should try some spelling variations:
"occasional prayers; occasional letter" » "occasional writer; occasional letter", "occasional prayers; occasional writer", "occasional prayers; occasional verse"
"occasional poems; occasional letter" » "occasional poems; occasional writer", "occasional poems; occasional verse", "occasional verse; occasional letter"
"occasional notess; occasional notes" » "occasional notices; occasional notes", "occasional distress; occasional notes", "occasional letters; occasional notes"
"occasion notes; occasional notes" » "occasion note; occasional notes", "occasion soups; occasional notes", "occasion both; 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 prayers; occasional letter") OR ("occasional poems; occasional letter"))) OR ((("occasional notess; occasional notes") OR ("occasion notes; occasional notes")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"occasional prayers; occasional letter\") or (\"occasional poems; occasional letter\"))) or (((\"occasional notess; occasional notes\") OR (\"occasion notes; occasional notes\"))))".
• Removing quotes may allow a broader search: (((( occasional prayers; occasional letter ) or ( occasional poems; occasional letter ))) or ((( occasional notess; occasional notes ) OR ( occasion notes; occasional notes )))).
• Adding a wildcard symbol may retrieve word variants: (((("occasional prayers; occasional letter") or ("occasional poems; occasional letter"))) or ((("occasional notess; occasional notes") OR ("occasion notes; occasional notes"))))*.