Perhaps you should try some spelling variations:
"leithefte zu poetica" » "leithefte la poetica", "leithefte e poetica", "leithefte a poetica"
"leithefte de poetica" » "leithefte de politica", "leithefte la poetica", "leithefte arte poetica"
"leithefte de politicas" » "leithefte de political", "leithefte de politics", "leithefte de politica"

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: (("leithefte zu poetica") OR ((("leithefte de poetica") OR ("leithefte de politicas")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"leithefte zu poetica\") or (((\"leithefte de poetica\") OR (\"leithefte de politicas\"))))".
• Removing quotes may allow a broader search: (( leithefte zu poetica ) or ((( leithefte de poetica ) OR ( leithefte de politicas )))).
• Adding a wildcard symbol may retrieve word variants: (("leithefte zu poetica") or ((("leithefte de poetica") OR ("leithefte de politicas"))))*.