Perhaps you should try some spelling variations:
"vieweg studium; grundkurs mathematik" » "vieweg studium; bruckenkurs mathematik", "vieweg studium; vorkurs mathematik", "vieweg studium; grundkurs informatik"
"viewed studium; grundkurs mathematik" » "viewed studium; bruckenkurs mathematik", "viewed studium; vorkurs mathematik", "viewed studium; grundkurs informatik", "reviewed studies; grundkurs mathematik"
"resolved studies; grundkurs mathematik" » "resolved studies; bruckenkurs mathematik", "resolved studies; vorkurs mathematik", "resolved studies; grundkurs informatik"
"repeated studies; Grundkurs Mathematik" » "related studies; Grundkurs Mathematik", "repeated surveys; Grundkurs Mathematik"

Try widening your search to All Fields.

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: (("vieweg studium; grundkurs mathematik") OR ((("viewed studium; grundkurs mathematik") OR ((("repeated studies; Grundkurs Mathematik") OR ("resolved studies; grundkurs mathematik")))))).
• Removing quotes may allow a broader search: (( vieweg studium; grundkurs mathematik ) or ((( viewed studium; grundkurs mathematik ) or ((( repeated studies; Grundkurs Mathematik ) or ( resolved studies; grundkurs mathematik )))))).
• Adding a wildcard symbol may retrieve word variants: (("vieweg studium; grundkurs mathematik") or ((("viewed studium; grundkurs mathematik") or ((("repeated studies; Grundkurs Mathematik") or ("resolved studies; grundkurs mathematik"))))))*.