Perhaps you should try some spelling variations:
interface expression » interface regression, interval expression, interference expression
programming state » programming stage, programming shape, programming site
programming style » programming study, programming series, programming system
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: interface expression ((programming state) OR (programming style)) microarray chips~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "interface expression ((programming state) OR (programming style)) microarray chips".
• Adding a wildcard symbol may retrieve word variants: interface expression ((programming state) OR (programming style)) microarray chips*.