I think,you can set up a social network account,then share your opinion with foreigners,many foreigners may follow you,they may be interested in you are a Chinese girl,they can give you some advice in how to learn English,you can also teach them Chinese.I hope something useful to you.
我是一个女孩,我想找一个外教教我英语,同时我也可以帮助你提高汉语。
希望能帮助到你
这里找不到你想要的那种人,你应该 去一些交友中心。
want to 或者 wanna