Perhaps you should try some spelling variations:
simulation implementation » formulation implementation, regulation implementation, education implementation
implementation a » implementation _
array string » array strong, arrays strings, array sharing
a extension » _ extension, 3 extension, 5 extension
array fermi » 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: simulation implementation a extension ((((array string) or (array fermi))) or (array format))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: simulation implementation a extension ((((array string) OR (array fermi))) OR (array format)).
• Adding a wildcard symbol may retrieve word variants: simulation implementation a extension ((((array string) or (array fermi))) or (array format))*.