Perhaps you should try some spelling variations:
"acta latvian estonian" » "acta latvia estonia", "acta latvian social", "suna latvian estonian", "toth latvian estonian"
"anna slavina estonian" » "anna slovenia estonia", "anna latvia estonia", "anna golovina estonian", "anna karina estonian", "anna lina estonian"
"art slavic estonian" » "east slavic estonian", "art static estonian", "balto slavic estonian"

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: (((("art slavic estonian") OR ("anna slavina estonian"))) OR ("acta latvian estonian")).
• Removing quotes may allow a broader search: (((( art slavic estonian ) or ( anna slavina estonian ))) or ( acta latvian estonian )).
• Adding a wildcard symbol may retrieve word variants: (((("art slavic estonian") or ("anna slavina estonian"))) or ("acta latvian estonian"))*.