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