Perhaps you should try some spelling variations:
optimization microarray » hybridization microarray, optimization microchip, identification microarray
activation microarray » annotation microarray, applications microarray, generation microarray
programming qbasic » programming basic, programming basics, programming basis
qbasic programming » basic programming, based programming, music programming

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

• Performing a fuzzy search may retrieve terms with similar spellings: programming qbasic programming ((optimization microarray) OR (activation microarray)) chips~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "programming qbasic programming ((optimization microarray) OR (activation microarray)) chips".
• Adding a wildcard symbol may retrieve word variants: programming qbasic programming ((optimization microarray) OR (activation microarray)) chips*.