try registering an account. click the options gear and click on the register option. if you keep laddering you'll improve and you'll eventually face better people, and probably will understand why your mienfoo set only works in the bottom of the ladder.
in case you're behind on the meta this link should help http://www.smogon.com/forums/threads/lc-viability-rankings.3496013/
in case you're behind on the meta this link should help http://www.smogon.com/forums/threads/lc-viability-rankings.3496013/