Perhaps you should try some spelling variations:
"acta slavica estonia" » "acta latvia estonia", "acta slovenia estonia", "anna slavina estonia", "art slavic estonia"
"et slavica estonia" » "et latvia estonia", "et slovenia estonia", "res slavica estonia", "_ slavica estonia"
"art talinn estonia" » "art tallinn estonia", "art tallin estonia", "art italian estonia"
"last latin estonia" » "last latvia estonia", "last latvian estonian", "last tallin estonia", "best latin estonia", "1st latin estonia"

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