<prompt> Pedzisa mutsara unotevera: Munguva yezana ramakore rechi19, Nguyễn akachengetedza hukama hwehukama neCambodia neLaos mushure mekutevedzana kwemauto ehondo anosanganisira Siamese Rattanakosin Kingdom, kusanganisira kupandukira kweCambodian, kupandukira kweLao, Siamese-Vietnamese Hondo ya1831-1834, uye  <response>: Hondo yeSiamese-Vietnamese ya1841-1845. VaNguyễn vakawedzerawo kupinda munyika dzeChampa muzuva ranhasi kumaodzanyemba kweVietnam mukupfuurira kwemazana emakore-refu Nam tiến. 