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

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 papers, occasional prayers") OR ("occasional papers, occasional poems"))) OR ("occasional writers, occasional writer"))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"occasional papers, occasional prayers\") OR (\"occasional papers, occasional poems\"))) or (\"occasional writers, occasional writer\"))*".
• Removing quotes may allow a broader search: (((( occasional papers, occasional prayers ) OR ( occasional papers, occasional poems ))) or ( occasional writers, occasional writer ))*.