Talvez deva tentar algumas variações de ortografia:
computer cases » computer case (Expandir a Pesquisa), computer classes (Expandir a Pesquisa), computer caries (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
cases now » cases new (Expandir a Pesquisa), cases non (Expandir a Pesquisa), case now (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
com can » com cana (Expandir a Pesquisa), com cant (Expandir a Pesquisa), com cal (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)
al com » al como (Expandir a Pesquisa)
j dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa), 1 dna (Expandir a Pesquisa)
j al » j a (Expandir a Pesquisa), j l (Expandir a Pesquisa)
3 yl » 2 yl (Expandir a Pesquisa), 1 yl (Expandir a Pesquisa)
4 yl » 2 yl (Expandir a Pesquisa), 1 yl (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 com can near ) or ( j dna clamp a newts ))) or ( ((3 yl) OR (4 yl)) computer cases now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j al com can near ) OR ( j dna clamp a newts ))) OR ( ((3 yl) OR (4 yl)) computer cases now )).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j al com can near ) or ( j dna clamp a newts ))) or ( ((3 yl) OR (4 yl)) computer cases now ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j al com can near ) or ( j dna clamp a newts ))) or ( ((3 yl) OR (4 yl)) computer cases now ))*.