Perhaps you should try some spelling variations:
основеі\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіеі\" (Expand Search), основееі\" (Expand Search)
основеіні\\" » основіні\\" (Expand Search), основені\\" (Expand Search), основніні\\" (Expand Search), основні\\" (Expand Search), основіеіні\\" (Expand Search), основееіні\\" (Expand Search)
основеііе\\" » основііе\\" (Expand Search), основеіе\\" (Expand Search), основнііе\\" (Expand Search), основіеііе\\" (Expand Search), основееііе\\" (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 основеіні\\\") OR основеііе\\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основеі OR основеіні\ ) OR основеііе\ )) OR (\ ґрунтова основ\ ))~.