Perhaps you should try some spelling variations:
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (Expand Search)
основеіеіа\" » основіеіа\" (Expand Search), основееіа\" (Expand Search), основніеіа\" (Expand Search), основіеіеіа\" (Expand Search), основееіеіа\" (Expand Search)
основеіееііа\\" » основіееііа\\" (Expand Search), основеееііа\\" (Expand Search), основніееііа\\" (Expand Search), основіеіееііа\\" (Expand Search), основееіееііа\\" (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 основеіеіа\\") OR основеіееііа\\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основеі\ OR основеіеіа ) OR основеіееііа\ )) OR (\ ґрунтова основ\ ))~.