Perhaps you should try some spelling variations:
9th workshop » 4th workshop, 5th workshop, 8th workshop
book league » wool league, rookie league, robot league
9th works » math works, 9th world
league de » league dec, league do, league made
de chung » de change, de china, de chine

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: "2008 ((9th works) OR (9th workshop)) book league de chung".
• Adding a wildcard symbol may retrieve word variants: 2008 ((9th works) OR (9th workshop)) book league de chung*.