Talvez deva tentar algumas variações de ortografia:
phrase structure » phase structure (Expandir a busca), frame structure (Expandir a busca), age structure (Expandir a busca)
decrease human » increase human (Expandir a busca), disease human (Expandir a busca), decrease asian (Expandir a busca)
human decrease » human deceased (Expandir a busca), human increase (Expandir a busca), human disease (Expandir a busca)
decrease and » decreases and (Expandir a busca), decrease in (Expandir a busca), decrease the (Expandir a busca)
decrease of » decrease in (Expandir a busca)
of decrease » or decrease (Expandir a busca), not decrease (Expandir a busca), to decrease (Expandir a busca)
and phrase » and phrases (Expandir a busca), and phase (Expandir a busca), and phytase (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 phrase structure learning ) OR ( decrease of decrease human decrease ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decrease and phrase structure learning ) OR ( decrease of decrease human decrease ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decrease and phrase structure learning ) OR ( decrease of decrease human decrease ))*.