Perhaps you should try some spelling variations:
"peter birkhauser classes" » "peter birkhauser plates", "peter brauer classes", "peter bruser classes"
"peter birkhauser classics" » "peter bruser classics", "peter birkhauser classic", "peter birkhauser classical"

Try widening your search to All Fields.

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"peter birkhauser classics\") OR (\"peter birkhauser classes\"))".
• Removing quotes may allow a broader search: (( peter birkhauser classics ) OR ( peter birkhauser classes )).
• Adding a wildcard symbol may retrieve word variants: (("peter birkhauser classics") OR ("peter birkhauser classes"))*.