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