Perhaps you should try some spelling variations:
information section » information collection, information education, information security
section methods » sections methods, section method, selection methods
array imaging » arrays imaging, airway imaging, ray imaging
array arcing » array forming, array probing, array sharing
methods sam » methods sefm, methods sample, methods space

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 sam ((((array arcing) OR (array format))) OR (array imaging))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "information section methods sam ((((array arcing) OR (array format))) OR (array imaging))".
• Adding a wildcard symbol may retrieve word variants: information section methods sam ((((array arcing) OR (array format))) OR (array imaging))*.