Perhaps you should try some spelling variations:
основееі\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіееі\" (Expand Search), основеееі\" (Expand Search)
основееііа\" » основііа\" (Expand Search), основеіа\" (Expand Search), основнііа\" (Expand Search), основіееііа\" (Expand Search), основеееііа\" (Expand Search)
основііе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіііе\\" (Expand Search), основеііе\\" (Expand Search)
основ\\" » основі\\" (Expand Search), 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 ((основееі\\" OR основееііа\\") OR основііе\\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основееі OR основееііа ) OR основііе\ )) OR (\ ґрунтова основ\ )).