Talvez deva tentar algumas variações de ortografia:
risk programming » task programming (Expandir a busca), arts programming (Expandir a busca), grid programming (Expandir a busca)
decrease risk » decreased risk (Expandir a busca), increase risk (Expandir a busca), decrease in (Expandir a busca)
python engine » piston engine (Expandir a busca)
engine python » online python (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease _ decrease risk programming ) OR ( python engine python python programming ))~.