Perhaps you should try some spelling variations:
functionals microarray » function microarrays, functional microrna, functional microbial
functional microarray » function microarrays, functional microrna, functional microbial
ruby programming » 2 programming, 2.0 programming, 2000 programming
programmes ruby » programming ruby, programmes rome, programmes just

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

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