Talvez deva tentar algumas variações de ortografia:
cobol programming » robot programming (Expandir a busca), robots programming (Expandir a busca), goal programming (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder factor » power factor (Expandir a busca), model factor (Expandir a busca), mode factor (Expandir a busca)
factor cobol » factor control (Expandir a busca), factor copula (Expandir a busca), factor cox (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 factor cobol programming ) OR ( api python python python programming ))~.