Perhaps you should try some spelling variations:
"descriptions phase" » "descriptions plate", "descriptions places", "descriptions based"
"descriptions state" » "descriptions system", "descriptions some", "descriptions soil"
"descriptive phase" » "descriptive case", "descriptive plates", "descriptive clause"

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 phase") OR ("descriptions phase"))) OR ("descriptions state")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"descriptive phase\") OR (\"descriptions phase\"))) or (\"descriptions state\"))".
• Removing quotes may allow a broader search: (((( descriptive phase ) OR ( descriptions phase ))) or ( descriptions state )).
• Adding a wildcard symbol may retrieve word variants: (((("descriptive phase") OR ("descriptions phase"))) or ("descriptions state"))*.