Talvez deva tentar algumas variações de ortografia:
pulse programming » rule programming (Expandir a busca), course programming (Expandir a busca), plane programming (Expandir a busca)
coder rotating » under rotating (Expandir a busca), counter rotating (Expandir a busca), closed rotating (Expandir a busca)
rotating pulse » rotating pulsed (Expandir a busca), rotative pulsed (Expandir a busca), rotating bose (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 rotating pulse programming ) OR ( api python python python programming ))~.