Perhaps you should try some spelling variations:
practitioner literature » practitioner signature, practice literature, practices literature
practitioner library » practitioners summary, practitioners primary, practitioner may
lean practitioners » legal practitioners, eap practitioners, leading practitioners
lead practitioner » legal practitioner, cloud practitioner, mears practitioner
lean practitioner » a practitioner, late practitioner, new practitioner
law practitioner » late practitioner, a practitioner, new practitioner
criminal lean » criminal legal, criminal en, criminal la

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: (((( international criminal law practitioner literature ) OR ( international criminal ((lead practitioner) OR (lean practitioners)) literature ))) OR ( international criminal lean practitioner library )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( international criminal law practitioner literature ) or ( international criminal ((lead practitioner) OR (lean practitioners)) literature ))) or ( international criminal lean practitioner library ))".
• Adding a wildcard symbol may retrieve word variants: (((( international criminal law practitioner literature ) or ( international criminal ((lead practitioner) OR (lean practitioners)) literature ))) or ( international criminal lean practitioner library ))*.