Talvez deva tentar algumas variações de ortografia:
coding pythons » codigo python (Expandir a busca), coding methods (Expandir a busca)
pythons python » python python (Expandir a busca), pitons python (Expandir a busca), piton python (Expandir a busca)
disease trial » disease social (Expandir a busca), disease threat (Expandir a busca), disease that (Expandir a busca)
trial process » triage process (Expandir a busca), social process (Expandir a busca), grupal process (Expandir a busca)
python coding » action coding (Expandir a busca), python code (Expandir a busca)
decrease and » decreases and (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Caso esteja tentando utilizar os operadores booleanos, deve escrevê-los em Letras MAIÚSCULAS: (( decrease AND disease trial process ) OR ( python coding pythons python programming ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decrease and disease trial process ) OR ( python coding pythons python programming ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decrease and disease trial process ) OR ( python coding pythons python programming ))*.