Talvez deva tentar algumas variações de ortografia:
computer cluster » computing cluster (Expandir a Pesquisa), complex cluster (Expandir a Pesquisa), computer center (Expandir a Pesquisa)
under computer » under computed (Expandir a Pesquisa), user computer (Expandir a Pesquisa), modern computer (Expandir a Pesquisa)
cluster new » clusters new (Expandir a Pesquisa), cluster near (Expandir a Pesquisa), cluster ngc (Expandir a Pesquisa)
campo can » campo con (Expandir a Pesquisa), camp can (Expandir a Pesquisa), campo canar (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
al campo » el campo (Expandir a Pesquisa), del campo (Expandir a Pesquisa), al cambio (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
a newts » _ newts (Expandir a Pesquisa), a news (Expandir a Pesquisa), a newt (Expandir a Pesquisa)
j under » tj under (Expandir a Pesquisa), j unger (Expandir a Pesquisa), j undem (Expandir a Pesquisa)
1 dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa)
j al » j a (Expandir a Pesquisa), j l (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 al campo can near ) or ( 1 dna clamp a newts ))) or ( j under computer cluster new ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j al campo can near ) OR ( 1 dna clamp a newts ))) OR ( j under computer cluster new )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j al campo can near ) or ( 1 dna clamp a newts ))) or ( j under computer cluster new ))*.