Perhaps you should try some spelling variations:
"maria helena estonia" » "maria elena estonia"
"maria helena sofia" » "maria elena sofia", "maria seena sofia", "maria helena maria", "maria helena costa"
"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: (("anna latvia estonia") OR ((("maria helena estonia") OR ("maria helena sofia")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"anna latvia estonia\") or (((\"maria helena estonia\") OR (\"maria helena sofia\"))))".
• Removing quotes may allow a broader search: (( anna latvia estonia ) or ((( maria helena estonia ) OR ( maria helena sofia )))).
• Adding a wildcard symbol may retrieve word variants: (("anna latvia estonia") or ((("maria helena estonia") OR ("maria helena sofia"))))*.