Talvez deva tentar algumas variações de ortografia:
sampling position » sampling positions (Expandir a busca), sampling location (Expandir a busca), sample position (Expandir a busca)
python sampling » method sampling (Expandir a busca), thin sampling (Expandir a busca), methods sampling (Expandir a busca)
position python » position method (Expandir a busca), piton python (Expandir a busca), position methods (Expandir a busca)
tools program » goals program (Expandir a busca), tool programs (Expandir a busca), schools program (Expandir a busca)
coder python » codigo python (Expandir a busca), compra python (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 python tools program ) OR ( python sampling position python programming ))~.