Talvez deva tentar algumas variações de ortografia:
computer based » computer aided (Expandir a Pesquisa)
aim computer » abim computer (Expandir a Pesquisa), acm computer (Expandir a Pesquisa), cim computer (Expandir a Pesquisa)
strain ngoc » strain nrc (Expandir a Pesquisa), strain nctc (Expandir a Pesquisa), strain nbrc (Expandir a Pesquisa)
camp strain » cam strain (Expandir a Pesquisa), cap strain (Expandir a Pesquisa), carp strains (Expandir a Pesquisa)
nacl camp » cl camp (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
nail can » nail a (Expandir a Pesquisa), nail gun (Expandir a Pesquisa)
can tran » can trans (Expandir a Pesquisa), chan tran (Expandir a Pesquisa), van tran (Expandir a Pesquisa)
3 nail » _ nail (Expandir a Pesquisa), a nail (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
j aim » _ aim (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: (((( 3 nail can tran ngoc ) or ( 3 nacl camp strain ngoc ))) or ( j aim computer based now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( 3 nail can tran ngoc ) OR ( 3 nacl camp strain ngoc ))) OR ( j aim computer based now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( 3 nail can tran ngoc ) or ( 3 nacl camp strain ngoc ))) or ( j aim computer based now ))*.