Perhaps you should try some spelling variations:
основеі\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіеі\" (Expand Search), основееі\" (Expand Search)
основеіа\" » основіа\" (Expand Search), основеа\" (Expand Search), основніа\" (Expand Search), основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіеіа\" (Expand Search), основееіа\" (Expand Search)
основеііа\\" » основііа\\" (Expand Search), основеіа\\" (Expand Search), основнііа\\" (Expand Search), основіеііа\\" (Expand Search), основееііа\\" (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 основеіа\\") OR основеііа\\\")) OR (\\\"ґрунтова основ\\\"))*\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основеі OR основеіа ) OR основеііа\ )) OR (\ ґрунтова основ\ ))*.