Talvez deva tentar algumas variações de ortografia:
array programming » arts programming (Expandir a busca), relay programming (Expandir a busca), early programming (Expandir a busca)
coder precoding » coherent precoding (Expandir a busca), linear precoding (Expandir a busca)
precoding ring » precoding using (Expandir a busca), precoding and (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
ring array » line array (Expandir a busca), mini array (Expandir a busca)
and python » in python (Expandir a busca), on python (Expandir a busca), api python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder precoding ring array programming ) OR ( and python python python programming ))~.