Talvez deva tentar algumas variações de ortografia:
health comparing » health computing (Expandir a Pesquisa), health comparisons (Expandir a Pesquisa), health comparison (Expandir a Pesquisa)
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer crime (Expandir a Pesquisa)
comparing law » comparing low (Expandir a Pesquisa), comparing lay (Expandir a Pesquisa), comparing lead (Expandir a Pesquisa)
ct computer » cat computer (Expandir a Pesquisa), ut computer (Expandir a Pesquisa), ct computed (Expandir a Pesquisa)
nat clamp » dnan clamp (Expandir a Pesquisa), dna clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
j health » nj health (Expandir a Pesquisa), 3 health (Expandir a Pesquisa), 1 health (Expandir a Pesquisa)
law netw » law new (Expandir a Pesquisa), law note (Expandir a Pesquisa), law need (Expandir a Pesquisa)
can now » can new (Expandir a Pesquisa), can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
j ct » j c (Expandir a Pesquisa), j st (Expandir a Pesquisa), j et (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 ct computer case new ) or ( j nat clamp can now ))) or ( j health comparing law netw ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j ct computer case new ) OR ( j nat clamp can now ))) OR ( j health comparing law netw ))*.