Russia	rus	0.1374
Vietnam	vietnam	0.1374
economic	econom	0.1374
Vladimir Poutine	vladimir pout	0.1374
Trade	trad	0.1374
develop the economic	develop th econom	0.1374
economic co-operation	econom co oper	0.1374
years	year	0.0497
base	ba	0.0081