Talvez deva tentar algumas variações de ortografia:
schalij computer » schule computer (Expandir a Pesquisa), school computer (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
nail complex » snail complex (Expandir a Pesquisa), tail complex (Expandir a Pesquisa), snail1 complex (Expandir a Pesquisa)
complex can » complex case (Expandir a Pesquisa), complex care (Expandir a Pesquisa), complex cell (Expandir a Pesquisa)
compra can » compra con (Expandir a Pesquisa), compra en (Expandir a Pesquisa), compra da (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
can netw » can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa), can now (Expandir a Pesquisa)
l compra » la compra (Expandir a Pesquisa), lo compra (Expandir a Pesquisa), a compra (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": "(( a nail complex can netw ) OR ((( j l compra can new ) OR ( j schalij computer based now ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a nail complex can netw ) OR ((( j l compra can new ) OR ( j schalij computer based now ))))*.