Perhaps you should try some spelling variations:
preparing microarray » comparing microarray, protein microarray, preparing military
profiling microarray » profiling microrna, profiling micrornas, protein microarray
programming java » programming jay, programming janet, programming graph
java problems » data problems, java programs, a problems

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

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