Perhaps you should try some spelling variations:
information train » information trading, information gain, information than
surface diffusion » state diffusion
array profiling » array processing, microarray profiling
train surface » brain surface, rain surface, grain surface
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: information train surface diffusion ((((array using) or (array string))) or (array profiling))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information train surface diffusion ((((array using) OR (array string))) OR (array profiling)).
• Adding a wildcard symbol may retrieve word variants: information train surface diffusion ((((array using) or (array string))) or (array profiling))*.