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: "\"\\"\\\"((\\\"((practical guidebook) OR (practical guide)) to (statistical OR (((statistical OR statistical) OR statistical) OR statistical)) AND epidemiology.\\\\") OR (\\\"practice guide to statistics AND epidemiology.\\\\"))\\\"\\"\"".
• Removing quotes may allow a broader search: \ ((\ ((practical guidebook) OR (practical guide)) to (statistical OR (((statistical OR statistical) OR statistical) OR statistical)) AND epidemiology.\\ ) OR (\ practice guide to statistics AND epidemiology.\\ ))\.