Perhaps you should try some spelling variations:
feline pathogen » canine pathogen (Expand search), foliar pathogen (Expand search)
pathogen vector » pathogen vectors (Expand search)
vector computer » vector computers (Expand search), reactors computer (Expand search), vector competent (Expand search)
coupling pitons » coupling fenton's (Expand search), coupling patterns (Expand search)
using coupling » running coupling (Expand search), using competing (Expand search), using coupled (Expand search)

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

• Removing quotes may allow a broader search: (( feline pathogen vector computer program ) OR ( using coupling pitons python programming ))~.