Perhaps you should try some spelling variations:
computer programs » computer program (Expand search)
novel pathogens » novel pathogen (Expand search), novel pathogenic (Expand search), oral pathogens (Expand search)
pathogens and » pathogens in (Expand search)
and computer » _ computer (Expand search)
using coding » using coping (Expand search), using coating (Expand search), using cooking (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( novel pathogens AND computer programs ) OR ( using coding _ python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( novel pathogens and computer programs ) OR ( using coding _ python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( novel pathogens and computer programs ) OR ( using coding _ python programming ))*.