Perhaps you should try some spelling variations:
functional microbial » functional mitral, ruminal microbial, functional bacterial
function microbial » formation microbial, nutrition microbial, detection microbial
java programmers » java programming, java programs, _ programmers
programme java » program java, programme data, programs java

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

• Performing a fuzzy search may retrieve terms with similar spellings: programme java programmers ((function microbial) OR (functional microbial)) https~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "programme java programmers ((function microbial) OR (functional microbial)) https".
• Adding a wildcard symbol may retrieve word variants: programme java programmers ((function microbial) OR (functional microbial)) https*.