Perhaps you should try some spelling variations:
"acta slavica estonian" » "acta latvia estonia", "acta latvian estonian", "acta place estonian", "art slavic estonian", "et slavica estonian"
"anna slavina estonian" » "anna latvia estonia", "anna latvian estonian", "anna golovina estonian", "anna karina estonian", "anna lina 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 ((("anna slavina estonian") OR ("china slovenia estonia")))).
• Removing quotes may allow a broader search: (( acta slavica estonian ) or ((( anna slavina estonian ) or ( china slovenia estonia )))).
• Adding a wildcard symbol may retrieve word variants: (("acta slavica estonian") or ((("anna slavina estonian") or ("china slovenia estonia"))))*.