Perhaps you should try some spelling variations:
practitioner's signature » practitioner signature, partitioned signature, practitioner literature
practitioners summary » practices summary
practitioner library » practitioner literature, practitioners primary, practitioner may
legal practitioner's » legal practitioners, local practitioners, real practitioners
criminal legal » critical legal, criminal law, criminology legal
criminal lean » criminal law, 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 lean ((practitioner library) OR (practitioners summary)) ) OR ( international criminal legal practitioner's signature ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( international criminal lean ((practitioner library) OR (practitioners summary)) ) or ( international criminal legal practitioner's signature ))*".