Talvez debería tentar con algunhas variantes ortográficas:
information web » information work
teaching design » teaching foreign
array formulas » area formulas, harrop formulas, array formats
web teaching » web searching, web caching, team teaching
array string » array strong, arrays strings, array sharing

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

• If you are trying to use Boolean operators, they must be ALL CAPS: information web teaching design ((((array string) OR (array formulas))) OR (array format))~.
• Adding a wildcard symbol may retrieve word variants: information web teaching design ((((array string) or (array formulas))) or (array format))*.