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)
основеііеа\\" » основііеа\\" (Expand Search), основеіеа\\" (Expand Search), основнііеа\\" (Expand Search), основіеііеа\\" (Expand Search), основееііеа\\" (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 основеііеа\\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе\ OR основеі ) OR основеііеа\ )) OR (\ ґрунтова основ\ )).