Talvez deva tentar algumas variações de ortografia:
comeuter based » computer based (Expandir a Pesquisa), converter based (Expandir a Pesquisa), cytometer based (Expandir a Pesquisa)
nail comeuter » rail commuter (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
clamp may » clamp made (Expandir a Pesquisa), clamp a (Expandir a Pesquisa), clamp m (Expandir a Pesquisa)
may newly » a newly (Expandir a Pesquisa), may new (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
nat comp » nat comm (Expandir a Pesquisa), et comp (Expandir a Pesquisa), nat cov (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
e nat » e nata (Expandir a Pesquisa), e nao (Expandir a Pesquisa), e nas (Expandir a Pesquisa)
a dna » _ dna (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( e nat comp can new ) OR ( a dna clamp may newly ))) OR ( _ nail comeuter based now ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( e nat comp can new ) or ( a dna clamp may newly ))) or ( _ nail comeuter based now ))*.