Perhaps you should try some spelling variations:
function relationship » function relationships, fungi relationships
relationship program » relationship diagram, relationship problems, relationship diagrams
factorial microarray » partial microarray, functional microarray, microrna microarray
program factorial » program bacterial, program editorial, program refactoring
microarray chips » microarray chip, microarrays chip, microarray cross

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

• Performing a fuzzy search may retrieve terms with similar spellings: function relationship program factorial microarray chips~.
• Adding a wildcard symbol may retrieve word variants: function relationship program factorial microarray chips*.