Perhaps you should try some spelling variations:
knowledge studies » knowledge sources, knowledge states, knowledge services
outline studies » online studies, doctrine studies, outcome studies
route studies » rate studies, acute studies, flute studies

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: ((((((routledge studies) OR (route studies))) OR (outline studies))) OR (knowledge studies)) in crime AND society.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((routledge studies) OR (route studies))) or (outline studies))) or (knowledge studies)) in crime and society".
• Adding a wildcard symbol may retrieve word variants: ((((((routledge studies) OR (route studies))) or (outline studies))) or (knowledge studies)) in crime and society*.