Perhaps you should try some spelling variations:
information section » information collection, information education, information security
section methods » sections methods, section method, selection methods
methods roger » methods robert, methods role, methods reader
array string » array strong, arrays strings, array sharing
array fermi » array forming

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

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