Perhaps you should try some spelling variations:
interactions integer » interactions inter, interactions integrins, interactions index
program foundation » prosea foundation, program formulation, programming foundations
program function » programme function, programs functional, program section
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: interactions integer ((program function) OR (program foundation)) microarray chips~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "interactions integer ((program function) OR (program foundation)) microarray chips".
• Adding a wildcard symbol may retrieve word variants: interactions integer ((program function) OR (program foundation)) microarray chips*.