Perhaps you should try some spelling variations:
"studie clinical linguistics" » "studie classical linguistics", "studie clinical diagnostics", "studie general linguistics", "studies clinical linguistics", "studien clinical linguistics", "study clinical linguistics"
"studie logical linguistic" » "studia logica linguistic", "studio logiciel linguistic", "studies topical linguistic"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"studie clinical linguistics\") OR (\"studie logical linguistic\"))".
• Removing quotes may allow a broader search: (( studie clinical linguistics ) OR ( studie logical linguistic )).
• Adding a wildcard symbol may retrieve word variants: (("studie clinical linguistics") OR ("studie logical linguistic"))*.