Perhaps you should try some spelling variations:
based volumetric » based biometric, a volumetric, based geometric
world based » word based, world case, gold based
metal beams » metals foams
metal foams » metal foam, metal films
ice world » ice worlds, since world, ieee world
2008 ice » 2008 nice, 2008 sice, 2008 ide

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "2008 ice world based volumetric ((metal beams) OR (metal foams))".
• Adding a wildcard symbol may retrieve word variants: 2008 ice world based volumetric ((metal beams) OR (metal foams))*.