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