Talvez deva tentar algumas variações de ortografia:
hierarchical programming » graphical programming (Expandir a busca), hierarchical grouping (Expandir a busca), hierarchical planning (Expandir a busca)
on hierarchical » of hierarchical (Expandir a busca), and hierarchical (Expandir a busca), _ hierarchical (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
coder coder » coder decoder (Expandir a busca), code code (Expandir a busca), decoder codec (Expandir a busca)
in python » _ python (Expandir a busca)
coder on » code on (Expandir a busca), codes on (Expandir a busca), powder on (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( coder coder on hierarchical programming ) OR ( in python python python programming ))~.