First, the article identifies the factors influencing the adaptation of Vietnamese in Czech Republic. Then it demonstrates through specific examples how the Vietnamese (as other ethnic minorities) residing in Czechoslovakia around 1989, and being under the pressure of constant assimilative power, could have emancipated from the relatively strict framework of the official rules and found certain autonomy, in particular by creating social networks which enabled them to ensure their status of "well adapted" ethnic group, that still persists today.