Perhaps you should try some spelling variations:
practical nuclear » tactical nuclear, practice nuclear, fractional nuclear
practical nucleic » practical nurses, tactical nuclear, practical nurse
practice nucleic » practice nuclear, active nucleic, precise nucleic
ban treaty » a treaty
test ban » west bank, 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: ((((practical nuclear) OR (practical nucleic))) OR (practice nucleic)) test ban treaty.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((practical nuclear) OR (practical nucleic))) or (practice nucleic)) test ban treaty".
• Adding a wildcard symbol may retrieve word variants: ((((practical nuclear) OR (practical nucleic))) or (practice nucleic)) test ban treaty*.