Talvez deva tentar algumas variações de ortografia:
computer course » computer courses (Expandir a Pesquisa), computer discourse (Expandir a Pesquisa), computing course (Expandir a Pesquisa)
l computer » il computer (Expandir a Pesquisa), al computer (Expandir a Pesquisa), dal computer (Expandir a Pesquisa)
hall chris » hill chris (Expandir a Pesquisa), hall charles (Expandir a Pesquisa)
course non » course can (Expandir a Pesquisa), course na (Expandir a Pesquisa), course new (Expandir a Pesquisa)
chris can » chris chan (Expandir a Pesquisa), chris ca (Expandir a Pesquisa), chris chang (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
a clamp » dna clamp (Expandir a Pesquisa), a claims (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
j newts » _ newts (Expandir a Pesquisa), j newton (Expandir a Pesquisa)
j hall » j haller (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( j hall chris can near ) or ( j a clamp j newts ))) or ( j l computer course non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j hall chris can near ) OR ( j a clamp j newts ))) OR ( j l computer course non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j hall chris can near ) or ( j a clamp j newts ))) or ( j l computer course non ))*.