Perhaps you should try some spelling variations:
level league » seven league, legged league, level leakage
league jason » teague jason, league jan, league boston
world level » word level, world even, world love
jason chong » jason chung, jason chen, jason zezhong
acm world » am world, acmet world, raum world
2008 acm » 2008 a, 2008 a2, 2008 a1