Perhaps you should try some spelling variations:
allocation problems » allocation problem, location problem, education problems
basic dimensions » based dimension, pacific dimensions, design dimensions
problems basic » problems basics, problems based
array forming » array arcing, array fermi, array formats
array probing » arrays probing, assay probing, array profiling

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

• Performing a fuzzy search may retrieve terms with similar spellings: allocation problems basic dimensions ((array format) or (((array forming) or (array probing))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: allocation problems basic dimensions ((array format) OR (((array forming) OR (array probing)))).
• Adding a wildcard symbol may retrieve word variants: allocation problems basic dimensions ((array format) or (((array forming) or (array probing))))*.