Russian	rus	0.1374
president	presid	0.1374
nigerian	niger	0.1374
country	countr	0.1374
president nigerian	presid niger	0.0497
gas	ga	0.0497
mediums of businesses	med of bus	0.0497
Vladimir Poutine	vladimir pout	0.0497
Oil	oil	0.0497
Russian mediums	rus med	0.0497
take part	tak part	0.0497
Russian companies	rus compan	0.0497
joint projects	joint project	0.0497
ECONOMIC	econom	0.0497
Moscow	moscow	0.0497