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

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

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