Russia	rus	0.1374
regional	reg	0.1374
Vietnam	vietnam	0.1374
nuclear	nuclear	0.1374
Russia and Vietnam	rus and vietnam	0.1374
security	secur	0.0497
signed	sign	0.0497
forum	for	0.0497
nuclear weapons	nuclear weapon	0.0497
Hanoi	han	0.0497
nuclear free	nuclear fr	0.0497
ASIA-PACIFIC REGION	as pacif reg	0.0497
Zone	zon	0.0497
non-proliferation	non prolifer	0.0497
regional forum	reg for	0.0497