Perhaps you should try some spelling variations:
"konyvtari levelezo/alap" » "konyvtari levelezo/alapu" (Expand Search), "konyvtari levelezo/zalap" (Expand Search)
"Könyvtári Levelező/zalapu" » "Könyvtári Levelező/zalapuu" (Expand Search), "Könyvtári Levelező/alapu" (Expand Search), "Könyvtári Levelező/zzalapu" (Expand Search)
"konyvtari levelezo/ala" » "konyvtari levelezo/zala" (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: (((("konyvtari levelezo/alap") OR ("Könyvtári Levelező/zalapu"))) OR ("konyvtari levelezo/ala"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"konyvtari levelezo/alap\") OR (\"Könyvtári Levelező/zalapu\"))) OR (\"konyvtari levelezo/ala\"))".
• Removing quotes may allow a broader search: (((( konyvtari levelezo/alap ) OR ( Könyvtári Levelező/zalapu ))) OR ( konyvtari levelezo/ala )).
• Adding a wildcard symbol may retrieve word variants: (((("konyvtari levelezo/alap") OR ("Könyvtári Levelező/zalapu"))) OR ("konyvtari levelezo/ala"))*.