Perhaps you should try some spelling variations:
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (Expand Search)
основеііа\" » основііа\" (Expand Search), основеіа\" (Expand Search), основнііа\" (Expand Search), основіеііа\" (Expand Search), основееііа\" (Expand Search)
основеііеееіа\\" » основііеееіа\\" (Expand Search), основеіеееіа\\" (Expand Search), основнііеееіа\\" (Expand Search), основіеііеееіа\\" (Expand Search), основееііеееіа\\" (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 ((основеі\\\" OR основеііа\\") OR основеііеееіа\\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основеі\ OR основеііа ) OR основеііеееіа\ )) OR (\ ґрунтова основ\ ))~.