Perhaps you should try some spelling variations:
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (Expand Search)
основіееі\\" » основіеі\\" (Expand Search), основееі\\" (Expand Search), основныееі\\" (Expand Search), основііееі\\" (Expand Search), основеіееі\\" (Expand Search)
основіеееі\" » основіееі\" (Expand Search), основеееі\" (Expand Search), основныеееі\" (Expand Search), основііеееі\" (Expand Search), основеіеееі\" (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 ((основіе\\\" OR основіееі\\\") OR основіеееі\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе\ OR основіееі\ ) OR основіеееі )) OR (\ ґрунтова основ\ )).