Perhaps you should try some spelling variations:
основеі\\\" » основі\\\" (Expand Search), основе\\\" (Expand Search), основні\\\" (Expand Search), основіеі\\\" (Expand Search), основееі\\\" (Expand Search)
основіе\" » основі\" (Expand Search), основе\" (Expand Search), основные\" (Expand Search), основііе\" (Expand Search), основеіе\" (Expand Search)
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (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 (основіе\\" OR основіе\\\"))) OR (\\\\"ґрунтова основ\\\\"))\\\"\\"\"".
• Removing quotes may allow a broader search: \ ((\\ ґрунтова (основеі\\ OR (основіе OR основіе\ ))) OR (\\ ґрунтова основ\\ ))\.