Perhaps you should try some spelling variations:
outline studies » online studies, doctrine studies, outcome studies
route studies » rate studies, acute studies, oocyte studies
flute studies » flume studies, fluid studies, flux 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: ((((route studies) OR (flute studies))) OR (outline studies)) in crime AND society.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((route studies) OR (flute studies))) or (outline studies)) in crime and society".
• Adding a wildcard symbol may retrieve word variants: ((((route studies) OR (flute studies))) or (outline studies)) in crime and society*.