Perhaps you should try some spelling variations:
practitioner literature » practitioner signature, practices literature, practitioner interaction
practitioner library » practitioners summary, practitioners primary, practitioner may
practice literature » didactic literature, selective literature
lean practitioner » a practitioner, late practitioner, new 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 (practice literature)) ) OR ( international criminal lead ((practitioner literature) OR (practice 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 (practice literature)) ) or ( international criminal lead ((practitioner literature) OR (practice literature)) ))) or ( international criminal lean practitioner library ))".
• Adding a wildcard symbol may retrieve word variants: (((( international criminal law ((practitioner literature) OR (practice literature)) ) or ( international criminal lead ((practitioner literature) OR (practice literature)) ))) or ( international criminal lean practitioner library ))*.