Perhaps you should try some spelling variations:
основіеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основііеі\\" (Expand Search), основеіеі\\" (Expand Search)
основіеіеііа\\" » основіеііа\\" (Expand Search), основееііа\\" (Expand Search), основніеііа\\" (Expand Search), основііеіеііа\\" (Expand Search), основеіеіеііа\\" (Expand Search)
основнііа\\" » основні\\" (Expand Search), основінііа\\" (Expand Search), основенііа\\" (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 (основіеі\\\" OR (основнііа\\\" OR основіеіеііа\\\"))) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основіеі\ OR (основнііа\ OR основіеіеііа\ ))) OR (\ ґрунтова основ\ )).