Perhaps you should try some spelling variations:
reaction processor » reaction processes, action processor, reaction process
processor design » process design
design decisions » design decision, design design
array formulas » area formulas, harrop formulas, array format
array formats » array format, assay formats, ready formats
array forming » array format, array arcing, array fermi

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

• Performing a fuzzy search may retrieve terms with similar spellings: reaction processor design decisions ((((array formats) or (array formulas))) or (array forming))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: reaction processor design decisions ((((array formats) OR (array formulas))) OR (array forming)).
• Adding a wildcard symbol may retrieve word variants: reaction processor design decisions ((((array formats) or (array formulas))) or (array forming))*.