Perhaps you should try some spelling variations:
knowledge services » knowledge sources, knowledge spaces
routledge studies » outline studies, route studies
knowledge studies » knowledge sources, knowledge spaces, knowledge source
knowledge states » knowledge spaces, knowledge space, knowledge strategies

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