Perhaps you should try some spelling variations:
practical nuclear » tactical nuclear, practical nucleic, fractional nuclear
practice nuclear » practice nucleic, particle nuclear, gracile nuclear
bank treaty » ban treaty, bank twenty, bbnj treaty
any treaty » a treaty, ban treaty, any treatise

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: ((practical nuclear) OR (practice nuclear)) west ((bank treaty) OR (any treaty)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((practical nuclear) or (practice nuclear)) west ((bank treaty) OR (any treaty))".
• Adding a wildcard symbol may retrieve word variants: ((practical nuclear) or (practice nuclear)) west ((bank treaty) OR (any treaty))*.