Perhaps you should try some spelling variations:
functions session » functions seafood, functions series, relations session
estimation basic » estimation based, estimation case, estimate basic
basic functions » basis functions, basis function, basic notions
array string » array strong, arrays strings, array sharing
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: estimation basic functions session ((((array string) or (array using))) or (array format))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: estimation basic functions session ((((array string) OR (array using))) OR (array format)).
• Adding a wildcard symbol may retrieve word variants: estimation basic functions session ((((array string) or (array using))) or (array format))*.