Perhaps you should try some spelling variations:
compositional programmes » compositional program, composition programs, compositional problems
programmes comparing » programming comparing, program comparing, programmes sharing
comparing microarray » clustering microarray, commercial microarray, conducting microarray
using compositional » using composition, using computational, using conditional
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: using compositional programmes comparing microarray chips~.
• Adding a wildcard symbol may retrieve word variants: using compositional programmes comparing microarray chips*.