How to get words list that found in text?

I am trying to get termvectors in search result:
https://www.elastic.co/guide/en/elasticsearch/reference/1.7/docs-termvectors.html

I need to know for every result text what words it consist from search query. How?
(also cannot get this for python connector to elasticsearch https://django-haystack.readthedocs.io/en/v2.5.0/)