Perhaps you should try some spelling variations:
microarray profiling » microrna profiling
surface diffusion » state diffusion
information deep » information sleep, information desk, informatics deep
deep surface » steep surface, deep subsurface, sweep surfaces
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, array sharing

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

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