The best sources you can look for are podcasts, transcripts, movie scripts and anything that potential can contain everyday conversations.
Fhethu havhuḓi hune na nga wana hone zwithu ndi kha dzi podcast, maipfi a ṅwalwaho a tshi bva kha matambwa, maipfi a zwiṱori zwa thelevishini, na tshiṅwe na tshiṅwe tshine tsha nga vha tshi na nyambedzano dza ḓuvha na ḓuvha.