Perhaps you should try some spelling variations:
"studie theorie linguistica" » "studie teoria linguistica", "studie theorie linguistik", "studie theory linguistics", "studies theories linguistica", "studium theorien linguistica", "studie therapie linguistica"
"studie typology linguistics" » "study typology linguistics", "studies theology linguistics", "studies typologies linguistics"

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: (("studie theorie linguistica") OR ("studie typology linguistics")).
• Removing quotes may allow a broader search: (( studie theorie linguistica ) or ( studie typology linguistics )).
• Adding a wildcard symbol may retrieve word variants: (("studie theorie linguistica") or ("studie typology linguistics"))*.