Perhaps you should try some spelling variations:
"acta slavica estonia" » "acta slovenia estonia", "et slavica estonia"
"anna slavina estonia" » "anna slovenia estonia", "anna spain estonia", "anna golovina estonia", "anna karina estonia", "anna lina estonia"
"art slavic estonia" » "art spain estonia", "art slovenia estonia", "east slavic estonia", "art static estonia", "balto slavic estonia"
"anna latvia estonia" » "anna livia estonia", "kalnina latvia estonia", "anna laetitia 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 ((("anna slavina estonia") OR ("anna latvia estonia"))))) OR ("art slavic estonia")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"acta slavica estonia\") or (((\"anna slavina estonia\") OR (\"anna latvia estonia\"))))) or (\"art slavic estonia\"))".
• Removing quotes may allow a broader search: (((( acta slavica estonia ) or ((( anna slavina estonia ) OR ( anna latvia estonia ))))) or ( art slavic estonia )).
• Adding a wildcard symbol may retrieve word variants: (((("acta slavica estonia") or ((("anna slavina estonia") OR ("anna latvia estonia"))))) or ("art slavic estonia"))*.