Perhaps you should try some spelling variations:
galois extensions » games extensions, gis extensions, analysis extensions
create problem » creative problem, great problem, creative problems
problem galois » problem along, problem games, problem gamblers
array probing » arrays probing, assay probing, array profiling
array using » arrays using

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

• If you are trying to use Boolean operators, they must be ALL CAPS: create problem galois extensions ((array format) OR (((array using) OR (array probing))))~.
• Adding a wildcard symbol may retrieve word variants: create problem galois extensions ((array format) or (((array using) or (array probing))))*.