Vietnamese launch of Beeline, or "Big Zero"

Vietnamese launch of Beeline, or "Big Zero" Vietnam - not the first experience of entering foreign markets for Beeline, those can be considered as the CIS countries. On the other hand, the specificity of these states is different, common in the past, linguistic space does not work so complicated. Another case of Cambodia, it Beeline confronted with a number of national, technical, organizational features. And start planning in Vietnam was carried out with an amendment to this experience. One country in the region, something similar, something different and very strong. Why VimpelCom decided to continue its expansion into the region, what the root causes for such projects?