Talvez deva tentar algumas variações de ortografia:
learning effectiveness » bleaching effectiveness (Expandir a busca), teaching effectiveness (Expandir a busca), hedging effectiveness (Expandir a busca)
effectiveness method » effective method (Expandir a busca), effectiveness ratio (Expandir a busca), effectiveness to (Expandir a busca)
decrease function » degree function (Expandir a busca), degree functions (Expandir a busca), reverse function (Expandir a busca)
function code » function model (Expandir a busca), function models (Expandir a busca), function index (Expandir a busca)
code learning » codes learning (Expandir a busca), model learning (Expandir a busca), course learning (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Adicionar um caractere curinga pode recuperar variações da palavra buscada: decrease function code learning effectiveness method*.