Perhaps you should try some spelling variations:
theorie linguistica » theorie linguistik, theory linguistics, theory linguistic
teoria linguistica » teorias linguisticas, varia linguistica, norma linguistica
theatre linguistic » theory linguistic, theory linguistics, other linguistic
studie theatre » studies theatre, studio theatre, study theatre

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 (teoria linguistica)) ) OR ( studie theatre linguistic )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( studie ((theorie linguistica) OR (teoria linguistica)) ) or ( studie theatre linguistic ))".
• Adding a wildcard symbol may retrieve word variants: (( studie ((theorie linguistica) OR (teoria linguistica)) ) or ( studie theatre linguistic ))*.