Perhaps you should try some spelling variations:
operation function » operations function, operational functions, operator functions
function different » functions different, functions difference, conation different
different versions » different regions, different seasons, different sections
array strong » array sharing, norway strong, stay strong
array string » arrays strings, array sharing, array forming
array using » arrays using

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

• Performing a fuzzy search may retrieve terms with similar spellings: operation function different versions ((((array strong) or (array using))) or (array string))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: operation function different versions ((((array strong) OR (array using))) OR (array string)).
• Adding a wildcard symbol may retrieve word variants: operation function different versions ((((array strong) or (array using))) or (array string))*.