Talvez deva tentar algumas variações de ortografia:
modelo vectorial » modelo vetorial (Expandir a busca), modelo setorial (Expandir a busca), modelo fatorial (Expandir a busca)
decrease modelo » decrease model (Expandir a busca), increase model (Expandir a busca)
decrease rate » decreased rate (Expandir a busca), decreases rate (Expandir a busca), decrease at (Expandir a busca)
rate decrease » rats decreases (Expandir a busca), rate increase (Expandir a busca), to decrease (Expandir a busca)
decrease pro » decrease or (Expandir a busca), decrease food (Expandir a busca), decrease treg (Expandir a busca)
pro decrease » to decrease (Expandir a busca), or decrease (Expandir a busca), price decrease (Expandir a busca)
in decrease » in decreased (Expandir a busca), on decrease (Expandir a busca), pain decrease (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease rate decrease in decrease ) OR ( decrease pro decrease modelo vectorial ))~.