Denshi Jisho — Online Japanese dictionary

勝ち取る かちとる to exert oneself and win; to gain (victory)
Godan verb with ru ending, Transitive verb 

You can also

Look up kanji details for 勝ち取る.

Try a Yahoo Jisho search for 勝ち取る .
Try a Goo Jisho search for 勝ち取る .
Try a Google search for 勝ち取る .