Perhaps you should try some spelling variations:
"descriptive plates" » "descriptive poem", "descriptive data"
"descriptions phase" » "descriptions plate", "descriptions places", "descriptions based"
"description based" » "descriptor based", "description des"
"descriptive case" » "descriptive clause", "descriptive based", "descriptive phase"

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: (((("descriptive plates") OR ("descriptive case"))) OR ((("descriptions phase") OR ("description based")))).
• Removing quotes may allow a broader search: (((( descriptive plates ) or ( descriptive case ))) or ((( descriptions phase ) or ( description based )))).
• Adding a wildcard symbol may retrieve word variants: (((("descriptive plates") or ("descriptive case"))) or ((("descriptions phase") or ("description based"))))*.