Perhaps you should try some spelling variations:
"acta slavica estonia" » "acta latvia estonia", "anna slavina estonia", "art slavic estonia", "et slavica estonia"
"acta slovenia estonia" » "malta slovenia estonia", "area slovenia estonia", "art slovenia estonia"
"art latin estonia" » "art latvia estonia", "art latvian estonian", "art talinn estonia", "art latent estonia", "n.t latin estonia", "1st latin estonia"
"last latin estonia" » "last latvia estonia", "last latvian estonian", "last talinn estonia", "best latin estonia", "1st latin estonia"

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: (((("acta slavica estonia") OR ("acta slovenia estonia"))) OR ((("art latin estonia") OR ("last latin estonia")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"acta slavica estonia\") OR (\"acta slovenia estonia\"))) or (((\"art latin estonia\") or (\"last latin estonia\"))))".
• Removing quotes may allow a broader search: (((( acta slavica estonia ) OR ( acta slovenia estonia ))) or ((( art latin estonia ) or ( last latin estonia )))).
• Adding a wildcard symbol may retrieve word variants: (((("acta slavica estonia") OR ("acta slovenia estonia"))) or ((("art latin estonia") or ("last latin estonia"))))*.