Talvez deva tentar algumas variações de ortografia:
python complex » python computer (Expandir a busca), prison complex (Expandir a busca)
complex python » complex prison (Expandir a busca), compra python (Expandir a busca), simple python (Expandir a busca)
key processes » levy processes (Expandir a busca), key process (Expandir a busca), by processes (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
decrease key » decrease cell (Expandir a busca), decrease treg (Expandir a busca), decrease fear (Expandir a busca)
decrease by » decreased by (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)
by decrease » by decreased (Expandir a busca), may decrease (Expandir a busca), any decrease (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease by decrease key processes ) OR ( python complex python python programming ))~.