Perhaps you should try some spelling variations:
information section » information collection, information education, information security
section methods » sections methods, section method, selection methods
array formulas » area formulas, harrop formulas, array formats
methods rules » methods role, methods results, methods tables
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 section methods rules ((((array string) or (array format))) or (array formulas))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information section methods rules ((((array string) OR (array format))) OR (array formulas)).
• Adding a wildcard symbol may retrieve word variants: information section methods rules ((((array string) or (array format))) or (array formulas))*.