Perhaps you should try some spelling variations:
authorization authentication » information authentication
methods multidimensional » metric multidimensional, towards multidimensional, based multidimensional
authentication methods » authentication method, authentication options, authentication without
array string » array strong, arrays strings, array sharing
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: authorization authentication methods multidimensional ((array string) or (array using))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: authorization authentication methods multidimensional ((array string) OR (array using)).
• Adding a wildcard symbol may retrieve word variants: authorization authentication methods multidimensional ((array string) or (array using))*.