Perhaps you should try some spelling variations:
"Könyvtári Levelező/zzalap" » "Könyvtári Levelező/zzalapu" (Expand Search), "Könyvtári Levelező/zzzalap" (Expand Search)
"konyvtari levelezo/alap" » "konyvtari levelezo/alapu" (Expand Search), "konyvtari levelezo/zalap" (Expand Search)
"konyvtari levelezo/ala" » "konyvtari levelezo/zala" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("Könyvtári Levelező/zzalap") OR ("konyvtari levelezo/alap"))) OR ("konyvtari levelezo/ala"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"Könyvtári Levelező/zzalap\") OR (\"konyvtari levelezo/alap\"))) OR (\"konyvtari levelezo/ala\"))*".
• Removing quotes may allow a broader search: (((( Könyvtári Levelező/zzalap ) OR ( konyvtari levelezo/alap ))) OR ( konyvtari levelezo/ala ))*.