Perhaps you should try some spelling variations:
integer formulation » integral formulation, integral formulations, integer permutations
formulation program » simulation program, population program, formulation problem
based microarray » based microarrays, cancer microarray, a microarray
microarray https » microarrays https, microarray chips, microscopy https
program based » programs based, gram based, programming based

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

• Performing a fuzzy search may retrieve terms with similar spellings: integer formulation program based microarray https~.
• Adding a wildcard symbol may retrieve word variants: integer formulation program based microarray https*.