Perhaps you should try some spelling variations:
delphi studie » delphi study
filosofia das » filosofia da, filosofia del, filosofia de
filosofia la » filosofia da, filosofica da, filosofia uma
filosofia le » filosofia de, filosofia e, filosofia del
test delphi » fast delphi, belts delphi
studie die » studie der

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: "test delphi studie die ((((filosofia la) OR (filosofia das))) OR (filosofia le)) litterature".
• Adding a wildcard symbol may retrieve word variants: test delphi studie die ((((filosofia la) OR (filosofia das))) OR (filosofia le)) litterature*.