Perhaps you should try some spelling variations:
основееі\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіееі\" (Expand Search), основеееі\" (Expand Search)
основееіеіа\\" » основіеіа\\" (Expand Search), основееіа\\" (Expand Search), основніеіа\\" (Expand Search), основіееіеіа\\" (Expand Search), основеееіеіа\\" (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 основееіеіа\\\") OR основііа\\\")) OR (\\\"ґрунтова основ\\\"))*\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основееі OR основееіеіа\ ) OR основііа\ )) OR (\ ґрунтова основ\ ))*.