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: (( he ((who live) OR (who gives)) in a class how ) OR ( he who used in a class mouse )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( he ((who live) OR (who gives)) in a class how ) or ( he who used in a class mouse ))".
• Adding a wildcard symbol may retrieve word variants: (( he ((who live) OR (who gives)) in a class how ) or ( he who used in a class mouse ))*.