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