Talvez deva tentar algumas variações de ortografia:
defense processes » defense process (Expandir a busca), decrease processes (Expandir a busca), disease processes (Expandir a busca)
decrease defense » defense defense (Expandir a busca), decrease release (Expandir a busca), decreases disease (Expandir a busca)
cac decrease » can decrease (Expandir a busca), may decrease (Expandir a busca), rate decrease (Expandir a busca)
python api » python and (Expandir a busca)
cost cac » cost abc (Expandir a busca), cost at (Expandir a busca), cost cnn (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( cost cac decrease defense processes ) OR ( python api _ python programming ))~.