Viet Nam	vi nam	0.1374
Russia	rus	0.1374
co-operation	co oper	0.0497
Russia and Viet	rus and vi	0.0497
countries	countr	0.0497
oil	oil	0.0497
Hanoi	han	0.0081
partnership	partnership	0.0081
gas	ga	0.0081
assertion	asser	0.0081
development	developm	0.0081
industry	industr	0.0081
pages	pag	0.0081
science	sc	0.0081
strategic partnership	strateg partnership	0.0081