Perhaps you should try some spelling variations:
information gaps » information gap, information games, information gain
double diffusion » double diffusive, double vision, file diffusion
array processing » dairy processing, query processing
array formats » array format, assay formats, array formulas
array string » array strong, arrays strings, array sharing
gaps double » gels double, mass double, papers double

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

• Performing a fuzzy search may retrieve terms with similar spellings: information gaps double diffusion ((array string) or (((array formats) or (array processing))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information gaps double diffusion ((array string) OR (((array formats) OR (array processing)))).
• Adding a wildcard symbol may retrieve word variants: information gaps double diffusion ((array string) or (((array formats) or (array processing))))*.