Talvez deva tentar algumas variações de ortografia:
populations using » formulations using (Expandir a busca), populations and (Expandir a busca)
ranking python » ranking method (Expandir a busca), ranking position (Expandir a busca)
parse program » purse program (Expandir a busca), care program (Expandir a busca), party program (Expandir a busca)
using ranking » using stacking (Expandir a busca), using resting (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
using parse » using coarse (Expandir a busca), using pade (Expandir a busca), using part (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( AND populations using parse program ) OR ( using ranking python python programming ))*.