Perhaps you should try some spelling variations:
"east slovenia estonia" » "art slovenia estonia", "eastern slovenia estonia", "castle slovenia estonia"
"acta slavica estonia" » "anna slavina estonia", "art slavic estonia"
"acta latvia estonia" » "haiti latvia estonia"
"et slavica estonia" » "res slavica estonia", "_ slavica 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 ("acta latvia estonia"))) OR ("east slovenia estonia")).
• Removing quotes may allow a broader search: (((((( acta slavica estonia ) or ( et slavica estonia ))) or ( acta latvia estonia ))) or ( east slovenia estonia )).
• Adding a wildcard symbol may retrieve word variants: (((((("acta slavica estonia") or ("et slavica estonia"))) or ("acta latvia estonia"))) or ("east slovenia estonia"))*.