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

• Removing quotes may allow a broader search: \ \\ \\\ ((\\\\ practice guidebook to biostatistics AND epidemiology.\\\\ ) OR (\\\\ practice guide to statistics AND epidemiology.\\\\ ))~\\\ \\ \*.

Perhaps you should try some spelling variations:
"\ \\ \\\ \\\\ practice guidebook to biostatistics AND epidemiology.\\\\ OR \\\\ practice guide to statistics AND epidemiology.\\\\ \\ \*" » "\ \\ \\\ \\\\ practical guidebook to biostatistics AND epidemiology.\\\\ OR \\\\ practice guide to statistics AND epidemiology.\\\\ \\ \*" (Expand Search), "\ \\ \\\ \\\\ practical guidebook to biostatistics AND epidemiology.\\\\ OR \\\\ practical guide to statistics AND epidemiology.\\\\ \\ \*" (Expand Search)