Talvez deva tentar algumas variações de ortografia:
composting python » composting method (Expandir a busca), composting with (Expandir a busca), composting on (Expandir a busca)
computation and » computational and (Expandir a busca), computation of (Expandir a busca)
pulse program » purse program (Expandir a busca), course program (Expandir a busca), lease program (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
and pulse » and pulsed (Expandir a busca), and pulp (Expandir a busca), and pull (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( AND computation and pulse program ) OR ( during composting python python programming ))~.