Talvez deva tentar algumas variações de ortografia:
notes diffraction » new diffraction (Expandir a busca), non diffraction (Expandir a busca), systems diffraction (Expandir a busca)
diffraction low » diffraction of (Expandir a busca), diffraction on (Expandir a busca), diffraction to (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
low decrease » flow decrease (Expandir a busca), loss decrease (Expandir a busca), to decrease (Expandir a busca)
code notes » corde notes (Expandir a busca), coffe notes (Expandir a busca), some notes (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

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