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

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"occasional papers, occasional prayers\") OR (\"occasional poems, occasional prayers\"))) OR (\"occasional drivers, occasional writer\"))".
• Removing quotes may allow a broader search: (((( occasional papers, occasional prayers ) OR ( occasional poems, occasional prayers ))) OR ( occasional drivers, occasional writer )).
• Adding a wildcard symbol may retrieve word variants: (((("occasional papers, occasional prayers") OR ("occasional poems, occasional prayers"))) OR ("occasional drivers, occasional writer"))*.