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