Talvez deva tentar algumas variações de ortografia:
learning programming » learning programme (Expandir a busca), teaching programming (Expandir a busca), learning program (Expandir a busca)
decrease processes » disease processes (Expandir a busca), decay processes (Expandir a busca)
disease decrease » disease decreases (Expandir a busca), diseases decreases (Expandir a busca), disease increased (Expandir a busca)
decrease and » decreases and (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)
python task » python based (Expandir a busca)
task meta » tasks meta (Expandir a busca), task mental (Expandir a busca), risk meta (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 decrease processes ) OR ( python task meta learning programming ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decrease and disease decrease processes ) OR ( python task meta learning programming ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decrease and disease decrease processes ) OR ( python task meta learning programming ))*.