Perhaps you should try some spelling variations:
programming preprocessor » programming microprocessor, programming processes, programming process
program preprocessor » program process
adding microarray » binding microarray, using microarray, mining microarray
microarray chips » microarray chip, microarrays chip, microarray cross

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "programming ((program preprocessor) OR (programming preprocessor)) adding microarray chips~".
• Adding a wildcard symbol may retrieve word variants: programming ((program preprocessor) OR (programming preprocessor)) adding microarray chips*.