Talvez deva tentar algumas variações de ortografia:
database retrieval » data retrieval (Expandir a busca)
retrieval process » retrieval models (Expandir a busca), removal process (Expandir a busca)
decrease rapidly » disease rapidly (Expandir a busca), decrease lipid (Expandir a busca)
rapidly decrease » rapid decrease (Expandir a busca), rapid increase (Expandir a busca), taping decrease (Expandir a busca)
decrease can » decrease in (Expandir a busca), decrease and (Expandir a busca), decrease at (Expandir a busca)
can decrease » can increase (Expandir a busca), and decrease (Expandir a busca), to decrease (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease OR database retrieval process ) OR ( decrease can decrease rapidly decrease ))~.