Perhaps you should try some spelling variations:
"under group mathematical" » "under group mathematics", "under growth mathematical", "under around mathematical", "under ground mathematical", "user group mathematical", "inter group mathematical"
"inner loop mathematical" » "inner flood mathematical", "inner floods mathematical", "inner map mathematical", "inner blood mathematical"
"index modern mathematics" » "index model mathematics", "index models mathematics", "india modern mathematics"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("index modern mathematics") or ((("inner loop mathematical") or ("under group mathematical"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("index modern mathematics") OR ((("inner loop mathematical") OR ("under group mathematical")))).
• Removing quotes may allow a broader search: (( index modern mathematics ) or ((( inner loop mathematical ) or ( under group mathematical )))).
• Adding a wildcard symbol may retrieve word variants: (("index modern mathematics") or ((("inner loop mathematical") or ("under group mathematical"))))*.