Perhaps you should try some spelling variations:
problems functionality » protein functionality, problem functional, problem functionals
programs interface » programs interfaces, program interfaces, diagrams interface
interface problems » integrals problems, interaction problems, maintenance problems
microarray chips » microarray chip, microarray cross, microarray rip
microarrays chip » microarray chip, microarrays biochip, microarrays chung

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

• Performing a fuzzy search may retrieve terms with similar spellings: programs interface problems functionality ((microarray chips) OR (microarrays chip))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "programs interface problems functionality ((microarray chips) OR (microarrays chip))".
• Adding a wildcard symbol may retrieve word variants: programs interface problems functionality ((microarray chips) OR (microarrays chip))*.