Perhaps you should try some spelling variations:
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (Expand Search)
основеіні\\" » основіні\\" (Expand Search), основені\\" (Expand Search), основніні\\" (Expand Search), основні\\" (Expand Search), основіеіні\\" (Expand Search), основееіні\\" (Expand Search)
основіеееіеіні\" » основііеееіеіні\" (Expand Search), основеіеееіеіні\" (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 (основеіні\\\" OR основіеееіеіні\\"))) OR (\\\"ґрунтова основ\\\"))*\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основеі\ OR (основеіні\ OR основіеееіеіні ))) OR (\ ґрунтова основ\ ))*.