Talvez deva tentar algumas variações de ortografia:
studies computing » studies competing (Expandir a Pesquisa), studies comparing (Expandir a Pesquisa), studies composing (Expandir a Pesquisa)
computing a » computing _ (Expandir a Pesquisa)
parry comb » parr comb (Expandir a Pesquisa), parry bob (Expandir a Pesquisa), parry cm (Expandir a Pesquisa)
comb mean » comb jean (Expandir a Pesquisa), comb meal (Expandir a Pesquisa), comb near (Expandir a Pesquisa)
compr can » comp can (Expandir a Pesquisa), computer can (Expandir a Pesquisa), compared can (Expandir a Pesquisa)
j studies » 3 studies (Expandir a Pesquisa), 2 studies (Expandir a Pesquisa), 1 studies (Expandir a Pesquisa)
mean now » mean new (Expandir a Pesquisa), mean non (Expandir a Pesquisa), plan now (Expandir a Pesquisa)
j parry » j parra (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j parry comb mean now ) OR ( l narr compr can now ))) OR ( j studies computing a new ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j parry comb mean now ) OR ( l narr compr can now ))) OR ( j studies computing a new ))*.