Perhaps you should try some spelling variations:
fische » fischer (Expand Search), fisch (Expand Search), ffische (Expand Search), fiche (Expand Search), fsche (Expand Search)
scho » sch (Expand Search), sche (Expand Search)
schon » schn (Expand Search), schen (Expand Search)
ischeo » fischeo (Expand Search), icheo (Expand Search), scheo (Expand Search)
ischeeo » fischeeo (Expand Search), icheeo (Expand Search), scheeo (Expand Search)
iischee » ifischee (Expand Search), iichee (Expand Search), ischee (Expand Search)
isch » fisch (Expand Search), ich (Expand Search), sch (Expand Search)
isich » sich (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ischeo OR (ischeeo OR (iischee OR fische))) OR ((scho OR schon) OR (isch OR isich)))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ischeo OR (ischeeo OR (iischee OR fische))) OR ((scho OR schon) OR (isch OR isich)))".
• Adding a wildcard symbol may retrieve word variants: ((ischeo OR (ischeeo OR (iischee OR fische))) OR ((scho OR schon) OR (isch OR isich)))*.