Perhaps you should try some spelling variations:
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (Expand Search)
основеіе\" » основіе\" (Expand Search), основее\" (Expand Search), основніе\" (Expand Search), основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіеіе\" (Expand Search), основееіе\" (Expand Search)
основіе\" » основі\" (Expand Search), основе\" (Expand Search), основные\" (Expand Search), основііе\" (Expand Search), основеіе\" (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 ((основеі\\\" OR основіе\\") OR основеіе\\")) OR (\\\\"ґрунтова основ\\\\"))\\\"\\"\"".
• Removing quotes may allow a broader search: \ ((\\ ґрунтова ((основеі\ OR основіе ) OR основеіе )) OR (\\ ґрунтова основ\\ ))\.