Perhaps you should try some spelling variations:
practitioner literature » practitioner signature, practice literature, practices literature
practitioners summary » practices summary
practitioner library » practitioners primary, practitioner may, practitioner inquiry
lead practitioner » lean practitioner, lean practitioners, legal practitioner
law practitioner » late practitioner, lean practitioner, a practitioner
criminal lead » criminal legal, criminal end, criminal la
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 literature ))) OR ( international criminal lean ((practitioner library) OR (practitioners summary)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( international criminal law practitioner literature ) or ( international criminal lead practitioner literature ))) or ( international criminal lean ((practitioner library) OR (practitioners summary)) ))".
• Adding a wildcard symbol may retrieve word variants: (((( international criminal law practitioner literature ) or ( international criminal lead practitioner literature ))) or ( international criminal lean ((practitioner library) OR (practitioners summary)) ))*.