Perhaps you should try some spelling variations:
paraboloid » paraboloide, parabolic
paraboloides » paraboloidees, parabolices
paraboloideees » paraboloideeees, paraboliceees, paraboloide, paraboloids
paraboloideseees » paraboloideeseees, paraboliceseees
paraboloidal » paraboloideal, parabolical, paraboloide, paraboloids, parabolica

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((paraboloid OR paraboloides) or (parabolices or ((paraboloideees or paraboloideseees) or (paraboloidal or parabolics))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((paraboloid OR paraboloides) OR (parabolices OR ((paraboloideees OR paraboloideseees) OR (paraboloidal OR parabolics)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((paraboloid OR paraboloides) or (parabolices or ((paraboloideees or paraboloideseees) or (paraboloidal or parabolics))))".
• Adding a wildcard symbol may retrieve word variants: ((paraboloid OR paraboloides) or (parabolices or ((paraboloideees or paraboloideseees) or (paraboloidal or parabolics))))*.