Talvez deva tentar algumas variações de ortografia:
decrease processes » disease processes (Expandir a busca), decay processes (Expandir a busca)
decrease decrease » decrease release (Expandir a busca), disease decreases (Expandir a busca), decrease sucrose (Expandir a busca)
control problems » control program (Expandir a busca)
engine control » online control (Expandir a busca), line control (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (Expandir a busca)
python engine » piston engine (Expandir a busca)
decrease and » decreases and (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)
and decrease » and decreases (Expandir a busca), and decreased (Expandir a busca), and increase (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 decrease decrease processes ) OR ( python python engine control problems ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decrease and decrease decrease processes ) OR ( python python engine control problems ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decrease and decrease decrease processes ) OR ( python python engine control problems ))*.