Perhaps you should try some spelling variations:
integer optimization » linear optimization, intelligent optimization, springer optimization
optimization program » optimization problem, optimization problems, optimization proximal
programme microarray » proteome microarray, proteomic microarray, polysome microarray
program programme » program program, programmes programme, programs program
microarray https » microarrays https, microarray chips, microscopy https

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

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