Talvez debería tentar con algunhas variantes ortográficas:
formation collection » information collection, information collections, formation coalition
methods sources » methods series, methods studies, methods survey
array formats » assay formats, array formulas, ready formats
array string » array strong, arrays strings, array sharing

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "formation collection methods sources ((((array string) OR (array formats))) OR (array format))~".
• Adding a wildcard symbol may retrieve word variants: formation collection methods sources ((((array string) OR (array formats))) OR (array format))*.