Perhaps you should try some spelling variations:
equalisation allocation » evaluation allocation, affiliation allocation, localisation location
allocation problem » location problem
https microarray » data microarray, cells microarray, chip microarray
microarray https » microarrays https, microarray chips, microscopy https
problem https » problem hips, problem has, problem hip

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

• Performing a fuzzy search may retrieve terms with similar spellings: equalisation allocation problem https microarray https~.
• Adding a wildcard symbol may retrieve word variants: equalisation allocation problem https microarray https*.