Perhaps you should try some spelling variations:
"eastern european series." » "western europe series.", "eastern european studies.", "eastern european cities.", "eastern european society.", "fastern european series."
"east european sources." » "east european studies.", "east european southern.", "east european journal.", "fast european sources."
"eastern europe sources." » "fastern europe sources."

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: (((("eastern european series.") or ("east european sources."))) or ("eastern europe sources."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("eastern european series.") OR ("east european sources."))) OR ("eastern europe sources.")).
• Removing quotes may allow a broader search: (((( eastern european series. ) or ( east european sources. ))) or ( eastern europe sources. )).
• Adding a wildcard symbol may retrieve word variants: (((("eastern european series.") or ("east european sources."))) or ("eastern europe sources."))*.