Perhaps you should try some spelling variations:
"interdisciplinary phase mathematics" » "interdisciplinary care mathematics", "interdisciplinary pain mathematics", "interdisciplinary phd mathematics", "interdisciplinary phage mathematics", "interdisciplinary phase mathematical", "interdisciplinary page mathematics"
"interdisciplinary case mathematics" » "interdisciplinary care mathematics", "interdisciplinary area mathematics", "interdisciplinary _ mathematics", "interdisciplinary based mathematics", "interdisciplinary chose mathematics", "interdisciplinary scale mathematics"

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: "((\"interdisciplinary case mathematics\") OR (\"interdisciplinary phase mathematics\"))".
• Removing quotes may allow a broader search: (( interdisciplinary case mathematics ) OR ( interdisciplinary phase mathematics )).
• Adding a wildcard symbol may retrieve word variants: (("interdisciplinary case mathematics") OR ("interdisciplinary phase mathematics"))*.