Perhaps you should try some spelling variations:
information about » information age, information a
case expressions » gene expressions, like expressions, data expressions
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, array sharing
about case » about cases, about care, layout case

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 case expressions ((array string) or (((array arcing) or (array format))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information about case expressions ((array string) OR (((array arcing) OR (array format)))).
• Adding a wildcard symbol may retrieve word variants: information about case expressions ((array string) or (((array arcing) or (array format))))*.