Talvez deva tentar algumas variações de ortografia:
"assisted instruction _ computers programming" » "assisted instruction _ computer programming" (Expandir a busca), "assisted instruction _ computer programs" (Expandir a busca), "assisted extraction _ computers programming" (Expandir a busca), "assisted instruction _ computers programaming" (Expandir a busca)
"advanced piton python computer program" » "advanced path python computer program" (Expandir a busca), "advanced ptl python computer program" (Expandir a busca), "advanced partition python computer program" (Expandir a busca), "advanced pitons python computer program" (Expandir a busca), "advanced in python computer program" (Expandir a busca), "advanced with python computer program" (Expandir a busca), "advanced piton python computer programa" (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "((\"assisted instruction _ computers programming\") OR (\"advanced piton python computer program\"))~".
• Remover as aspas pode possibilitar buscas mais amplas: (( assisted instruction _ computers programming ) OR ( advanced piton python computer program ))~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (("assisted instruction _ computers programming") OR ("advanced piton python computer program"))*.