Perhaps you should try some spelling variations:
cooperative programming » comparative programming, imperative programming, cooperative programme
operators programming » operation programming, overflows programming, temperature programming
basic microarray » based microarray, bac microarray, based microarrays
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: programming ((operators programming) OR (cooperative programming)) basic microarray chips~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "programming ((operators programming) OR (cooperative programming)) basic microarray chips".
• Adding a wildcard symbol may retrieve word variants: programming ((operators programming) OR (cooperative programming)) basic microarray chips*.