Perhaps you should try some spelling variations:
"acta slavica estonia" » "anna slavina estonia", "art slavic estonia"
"art slovenia estonia" » "area slovenia estonia", "park slovenia estonia", "after slovenia estonia"
"anna latvia estonia" » "anna livia estonia", "kalnina latvia estonia", "anna laetitia 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 ("anna latvia estonia"))) OR ("art slovenia estonia")).
• Removing quotes may allow a broader search: (((((( acta slavica estonia ) or ( et slavica estonia ))) or ( anna latvia estonia ))) or ( art slovenia estonia )).
• Adding a wildcard symbol may retrieve word variants: (((((("acta slavica estonia") or ("et slavica estonia"))) or ("anna latvia estonia"))) or ("art slovenia estonia"))*.