Talvez deva tentar algumas variações de ortografia:
pattern extraction » protein extraction (Expandir a busca), pattern detection (Expandir a busca), pectin extraction (Expandir a busca)
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)
extraction python » extraction method (Expandir a busca), extraction option (Expandir a busca), extraction methods (Expandir a busca)
python program » action program (Expandir a busca), python programming (Expandir a busca)
python python » pythons python (Expandir a busca), piton python (Expandir a busca), pitons python (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.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease and decrease decrease processes ) OR ( pattern extraction python python program ))~.