Perhaps you should try some spelling variations:
probing liberty » proving liberty, promoting liberty, probing bert
literature art » literature part, literature arts, literature author
gibt crime » gibt arme
6 probing » _ probing, 3 probing, 1 probing
i grund » i grunde, i ground
i grand » i grunde

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: (( 6 probing liberty _ letteratura e ) OR ( ((i grund) OR (i grand)) gibt crime ((literature art) OR (literature a)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( 6 probing liberty _ letteratura e ) or ( ((i grund) or (i grand)) gibt crime ((literature art) OR (literature a)) ))".
• Adding a wildcard symbol may retrieve word variants: (( 6 probing liberty _ letteratura e ) or ( ((i grund) or (i grand)) gibt crime ((literature art) OR (literature a)) ))*.