Perhaps you should try some spelling variations:
information estimation » deformation estimation, information motivation, information extraction
estimation methods » optimization methods, examination methods, evaluation methods
methods space » methods surface, methods impact, methods speech
array sharing » arrays bearing, array imaging, way sharing
array string » array strong, arrays strings, 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 estimation methods space ((((array sharing) or (array format))) or (array string))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information estimation methods space ((((array sharing) OR (array format))) OR (array string)).
• Adding a wildcard symbol may retrieve word variants: information estimation methods space ((((array sharing) or (array format))) or (array string))*.