Talvez deva tentar algumas variações de ortografia:
python sampling » method sampling (Expandir a busca), thin sampling (Expandir a busca), methods sampling (Expandir a busca)
sampling python » sampling method (Expandir a busca), sampling position (Expandir a busca), sampling methods (Expandir a busca)
redes program » rede program (Expandir a busca), redd program (Expandir a busca), rede programa (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder python » codigo python (Expandir a busca), compra python (Expandir a busca)
python redes » python regius (Expandir a busca), python code (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 redes program ) OR ( python sampling python python programming ))~.