Talvez deva tentar algumas variações de ortografia:
diffraction patterns » interaction patterns (Expandir a busca), infection patterns (Expandir a busca), differential patterns (Expandir a busca)
patterns decrease » patterns increased (Expandir a busca), patients decrease (Expandir a busca), patterns defense (Expandir a busca)
rays diffraction » ray diffraction (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
code rays » code raios (Expandir a busca), code rac (Expandir a busca), code res (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( code rays diffraction patterns decrease ) OR ( _ python python python programming ))~.