Perhaps you should try some spelling variations:
"ґрунтова основіе" » "ґрунтова основі" (Expand Search), "ґрунтова основе" (Expand Search), "ґрунтова основные" (Expand Search), "ґрунтова основііе" (Expand Search), "ґрунтова основеіе" (Expand Search)
"ґрунтова основіеіііа" » "ґрунтова основііііа" (Expand Search), "ґрунтова основеіііа" (Expand Search), "ґрунтова основныеіііа" (Expand Search), "ґрунтова основііеіііа" (Expand Search), "ґрунтова основеіеіііа" (Expand Search)
"ґрунтова основ" » "ґрунтова основі" (Expand Search), "ґрунтова основе" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"ґрунтова основіе\") OR (\"ґрунтова основіеіііа\"))) OR (\"ґрунтова основ\"))~".
• Removing quotes may allow a broader search: (((( ґрунтова основіе ) OR ( ґрунтова основіеіііа ))) OR ( ґрунтова основ ))~.
• Adding a wildcard symbol may retrieve word variants: (((("ґрунтова основіе") OR ("ґрунтова основіеіііа"))) OR ("ґрунтова основ"))*.