Perhaps you should try some spelling variations:
routledge studies » route studies
knowledge studies » knowledge states, knowledge services, knowledge spaces
outline studies » online studies, doctrine studies, outcome studies
sources » source, resources

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