Perhaps you should try some spelling variations:
"Handbook of clinical neuropsychology" » "Handbook of clinical neurophysiology", "Handbook of clinical psychology"
"handbook of clinical oncology" » "handbook of clinical psychology", "handbook of surgical oncology"

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("Handbook of clinical neuropsychology") OR ("handbook of clinical immunology"))) OR ("handbook of clinical oncology")).
• Removing quotes may allow a broader search: (((( Handbook of clinical neuropsychology ) or ( handbook of clinical immunology ))) or ( handbook of clinical oncology )).
• Adding a wildcard symbol may retrieve word variants: (((("Handbook of clinical neuropsychology") or ("handbook of clinical immunology"))) or ("handbook of clinical oncology"))*.