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