Perhaps you should try some spelling variations:
integration functions » integration functional, integrating functions, interactions functions
functions programming » functional programming, foundations programming, functions programmed
microarray https » microarrays https, microarray chips, microscopy https
programming pcr » programming part, programming perl, programming plcs
pcr microarray » _ microarray, dna microarray, a microarray

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

• Performing a fuzzy search may retrieve terms with similar spellings: integration functions programming pcr microarray https~.
• Adding a wildcard symbol may retrieve word variants: integration functions programming pcr microarray https*.