Talvez deva tentar algumas variações de ortografia:
decrease perceptions » disease perception (Expandir a busca), teachers perceptions (Expandir a busca), learners perceptions (Expandir a busca)
decrease function » degree function (Expandir a busca), degree functions (Expandir a busca), reverse function (Expandir a busca)
perceptions and » perception and (Expandir a busca), perceptions of (Expandir a busca), conceptions and (Expandir a busca)
code algorithm » cubes algorithm (Expandir a busca), cut algorithm (Expandir a busca), type algorithm (Expandir a busca)
and algorithm » and algorithms (Expandir a busca), an algorithm (Expandir a busca), ant algorithm (Expandir a busca)
function code » function model (Expandir a busca), function models (Expandir a busca), function index (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 perceptions AND algorithm AND code) OR ( decrease function code algorithm AND code))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decrease perceptions and algorithm AND code) OR ( decrease function code algorithm AND code))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decrease perceptions and algorithm AND code) OR ( decrease function code algorithm AND code))*.