Talvez debería tentar con algunhas variantes ortográficas:
surfaces extension » surfaces tension, surface tension, surface expression
information about » information age, information a
about surfaces » about surface, soft surfaces, about services
array string » array strong, arrays strings, array sharing

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

• Performing a fuzzy search may retrieve terms with similar spellings: information about surfaces extension ((((array string) or (arrays using))) or (array format))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information about surfaces extension ((((array string) OR (arrays using))) OR (array format)).
• Adding a wildcard symbol may retrieve word variants: information about surfaces extension ((((array string) or (arrays using))) or (array format))*.