Perhaps you should try some spelling variations:
"acta slavica estonian" » "acta latvia estonia", "acta place estonian", "art slavic estonian"
"et slavica estonian" » "et latvia estonia", "et place estonian", "res slavica estonian", "_ slavica estonian"
"anna slavina estonian" » "anna slovenia estonia", "anna latvia estonia", "anna golovina estonian", "anna karina estonian", "anna lina estonian"
"anna latvian estonian" » "anna latvia estonia", "anna latvian social", "suna latvian estonian", "among latvian estonian", "anna livia estonian"

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