Perhaps you should try some spelling variations:
"cord basic mechanisms paper" » "cord basic mechanisms panel", "cord basic mechanisms power", "cord basic mechanisms chapter", "world basic mechanisms paper", "word basics mechanisms paper", "lord basil mechanisms paper"
"work ai technical papers" » "work api technical papers", "work ii technical papers", "work i technical papers", "work a technical papers", "work all technical papers", "work als technical papers"

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: (("cord basic mechanisms paper") OR ("work ai technical papers")).
• Removing quotes may allow a broader search: (( cord basic mechanisms paper ) or ( work ai technical papers )).
• Adding a wildcard symbol may retrieve word variants: (("cord basic mechanisms paper") or ("work ai technical papers"))*.