Perhaps you should try some spelling variations:
partial nuclear » particle nuclear, particles nuclear, practical nuclear
nuclear west » nuclear waste, nuclear tests, nuclear quest
bank treaty » ban treaty, any treaty, bank twenty
ban twenty » bank twenty, than twenty, back twenty
test ban » test bed

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( partial nuclear west bank treaty ) OR ( partial nuclear test ban twenty )).
• Adding a wildcard symbol may retrieve word variants: (( partial nuclear west bank treaty ) or ( partial nuclear test ban twenty ))*.