Perhaps you should try some spelling variations:
approximation bibliography » applications bibliography, information bibliography, optimization bibliography
introduction bibliography » notation bibliography
bibliography pericles » bibliography articles, biography pericles, bibliography principles
bibliography series » bibliography sources, bibliography survey, bibliographical series
any approximation » lazy approximation, ray approximation, key approximation
any introduction » easy introduction, away introduction, bay introduction

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: (( any approximation bibliography pericles ) OR ( any introduction bibliography series )).
• Adding a wildcard symbol may retrieve word variants: (( any approximation bibliography pericles ) or ( any introduction bibliography series ))*.