Talvez deva tentar algumas variações de ortografia:
coder diffraction » powder diffraction (Expandir a busca), powder diffractions (Expandir a busca), laser diffraction (Expandir a busca)
diffraction in » diffraction and (Expandir a busca), diffraction of (Expandir a busca), diffraction xrd (Expandir a busca)
in programming » and programming (Expandir a busca), _ programming (Expandir a busca), c programming (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder coder » coder decoder (Expandir a busca), code code (Expandir a busca), decoder codec (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder coder diffraction in programming ) OR ( api python python python programming ))~.