Perhaps you should try some spelling variations:
"neutral types with belligerents" » "spectral types with belligerents", "neuronal types with belligerents", "general types with belligerents"
"several types with belligerents" » "several times with belligerents", "several tables with belligerents", "several titles with belligerents"

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: (((("neutral types with belligerents") OR ("several types with belligerents"))) OR ("neutral type with belligerents")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"neutral types with belligerents\") OR (\"several types with belligerents\"))) or (\"neutral type with belligerents\"))".
• Removing quotes may allow a broader search: (((( neutral types with belligerents ) OR ( several types with belligerents ))) or ( neutral type with belligerents )).
• Adding a wildcard symbol may retrieve word variants: (((("neutral types with belligerents") OR ("several types with belligerents"))) or ("neutral type with belligerents"))*.