_msearch : handling filter and whitespace

Experts,

#1 How to handle search with whitespace using wildcards in _msearch?

The below case is not resulting records where "Jackie Chan" is coming.

index" : "shows","type":"all"}
{"query" : {"wildcard" : {"_all": "Jackie Chan"}}, "from" : 0, "size" : 2}
{"index" : "movies","type":"all"}
{"query" : {"wildcard" : {"_all": "Jackie Chan"}}, "from" : 0, "size" : 2}
{"index" : "stars","type":"all"}
{"query" : {"wildcard" : {"title": "Jackie Chan"}}, "from" : 0, "size" : 2}

#2 Filter issue

Please guide about how can we apply filters in _msearch using wildcards (please consider above example).

Regards,
Hemant