Perhaps you should try some spelling variations:
friction estimation » fraction estimation, function estimation, stiction estimation
estimation system » automation system, animation system
system support » system supporting, systems supporting
array formats » assay formats, array formulas, ready formats
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: friction estimation system support ((((array formats) or (array format))) or (array using))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: friction estimation system support ((((array formats) OR (array format))) OR (array using)).
• Adding a wildcard symbol may retrieve word variants: friction estimation system support ((((array formats) or (array format))) or (array using))*.