Perhaps you should try some spelling variations:
"linker's criteria" » "concerns criteria", "line criteria"
"funder's criteria" » "concerns criteria", "funding criteria"
"weil's criterion" » "kelly's criterion", "white's criterion", "levy's criterion"
"concept criteria" » "consent criteria", "contest criteria", "context criteria"
"pde's criteria" » "ideas criteria", "peers criteria", "models criteria"
"weyl's criterion" » "well's criterion"

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: (((("weyl's criterion") OR ("weil's criterion"))) OR ((((("linker's criteria") OR ((("funder's criteria") OR ("pde's criteria"))))) OR ("concept criteria")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"weyl's criterion\") OR (\"weil's criterion\"))) or (((((\"linker's criteria\") or (((\"funder's criteria\") or (\"pde's criteria\"))))) or (\"concept criteria\"))))".
• Removing quotes may allow a broader search: (((( weyl's criterion ) OR ( weil's criterion ))) or ((((( linker's criteria ) or ((( funder's criteria ) or ( pde's criteria ))))) or ( concept criteria )))).
• Adding a wildcard symbol may retrieve word variants: (((("weyl's criterion") OR ("weil's criterion"))) or ((((("linker's criteria") or ((("funder's criteria") or ("pde's criteria"))))) or ("concept criteria"))))*.