Talvez deva tentar algumas variações de ortografia:
period programming » end programming (Expandir a busca), learning programming (Expandir a busca), creation programming (Expandir a busca)
photon detection » emotion detection (Expandir a busca), photon detectors (Expandir a busca), motion detection (Expandir a busca)
detection period » election period (Expandir a busca), retention period (Expandir a busca), protection period (Expandir a busca)
coding python » codigo python (Expandir a busca), codigos python (Expandir a busca), using python (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder photon » one photon (Expandir a busca), or photon (Expandir a busca), over photo (Expandir a busca)
using coding » using coping (Expandir a busca), using coating (Expandir a busca), using cooking (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder photon detection period programming ) OR ( using coding python python programming ))~.