Perhaps you should try some spelling variations:
surface expression » surface erosion
information about » information age, information a
about surface » about space, root surface, about service
array sharing » array string, arrays bearing, array imaging
array forming » array format, array arcing, array fermi

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

• Performing a fuzzy search may retrieve terms with similar spellings: information about surface expression ((array sharing) or (array forming))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information about surface expression ((array sharing) OR (array forming)).
• Adding a wildcard symbol may retrieve word variants: information about surface expression ((array sharing) or (array forming))*.