Talvez deva tentar algumas variações de ortografia:
both effective » with effective (Expandir a busca), cost effective (Expandir a busca), be effective (Expandir a busca)
decrease fear » decreased fear (Expandir a busca), decrease fetal (Expandir a busca), decreased heart (Expandir a busca)
fear decrease » break decrease (Expandir a busca), merr decreases (Expandir a busca), can decrease (Expandir a busca)
decrease both » decrease with (Expandir a busca), decreased bone (Expandir a busca), decreases bone (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)
decrease akt » decrease at (Expandir a busca), decrease after (Expandir a busca), decrease with (Expandir a busca)
akt decrease » not decrease (Expandir a busca), any decrease (Expandir a busca), salt decreases (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 fear decrease ) OR ( decrease akt decrease both effective ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decrease and decrease fear decrease ) OR ( decrease akt decrease both effective ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decrease and decrease fear decrease ) OR ( decrease akt decrease both effective ))*.