Perhaps you should try some spelling variations:
основііе\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіііе\" (Expand Search), основеііе\" (Expand Search)
основііені\" » основіні\" (Expand Search), основені\" (Expand Search), основніні\" (Expand Search), основіііені\" (Expand Search), основеііені\" (Expand Search)
основеіе\\" » 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 (основііе\\" OR (основеіе\\\" OR основііені\\"))) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основііе OR (основеіе\ OR основііені ))) OR (\ ґрунтова основ\ ))~.