Perhaps you should try some spelling variations:
functional microsurgery » functional neurosurgery
functional microscopy » functional microarray, functional microbial, functional micro
introducing python » introducing action, introducing mythtv, introducing person
python programs » python program, action programs, method programs

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: "introducing python programs ((functional microscopy) OR (functional microsurgery)) https~".
• Adding a wildcard symbol may retrieve word variants: introducing python programs ((functional microscopy) OR (functional microsurgery)) https*.