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)
основіні\\" » основні\\" (Expand Search), основі\\" (Expand Search), основііні\\" (Expand Search), основеіні\\" (Expand Search)
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (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 (основіні\\\" OR основеі\\\"))) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основеіе\ OR (основіні\ OR основеі\ ))) OR (\ ґрунтова основ\ )).