Perhaps you should try some spelling variations:
основееі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіееі\\" (Expand Search), основеееі\\" (Expand Search)
основееііа\\" » основііа\\" (Expand Search), основеіа\\" (Expand Search), основнііа\\" (Expand Search), основіееііа\\" (Expand Search), основеееііа\\" (Expand Search)
основііа\\" » основі\\" (Expand Search), основні\\" (Expand Search), основіііа\\" (Expand Search), основеііа\\" (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 (основееі\\\" OR (основііа\\\" OR основееііа\\\"))) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основееі\ OR (основііа\ OR основееііа\ ))) OR (\ ґрунтова основ\ )).