Talvez deva tentar algumas variações de ortografia:
decreased sperm » decreased sleep (Expandir a busca)
sperm decrease » term decrease (Expandir a busca), speed decrease (Expandir a busca), speed decreases (Expandir a busca)
pythons python » python python (Expandir a busca), pitons python (Expandir a busca), piton python (Expandir a busca)
decrease use » decreased use (Expandir a busca), decrease the (Expandir a busca), increase use (Expandir a busca)
use process » reuse process (Expandir a busca), nurse process (Expandir a busca), cure process (Expandir a busca)
and pythons » and python (Expandir a busca)
python and » python based (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: (( decreased sperm decrease use process ) OR ( python AND pythons python programming ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decreased sperm decrease use process ) OR ( python and pythons python programming ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decreased sperm decrease use process ) OR ( python and pythons python programming ))*.