Talvez deva tentar algumas variações de ortografia:
copd compoared » copd compared (Expandir a Pesquisa), copd complicated (Expandir a Pesquisa)
large compound » target compound (Expandir a Pesquisa), like compound (Expandir a Pesquisa), large common (Expandir a Pesquisa)
compoared can » compared can (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compound can (Expandir a Pesquisa)
compound law » compound la (Expandir a Pesquisa), compound laa (Expandir a Pesquisa), compound leaf (Expandir a Pesquisa)
nat comp » et comp (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
j large » j larsen (Expandir a Pesquisa), j larner (Expandir a Pesquisa), j larrey (Expandir a Pesquisa)
law net » law new (Expandir a Pesquisa), law janet (Expandir a Pesquisa), law note (Expandir a Pesquisa)
j copd » j copp (Expandir a Pesquisa), j copo (Expandir a Pesquisa), j copi (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (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 nat comp can now ) or ( j copd compoared can new ))) or ( j large compound law net ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat comp can now ) OR ( j copd compoared can new ))) OR ( j large compound law net )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat comp can now ) or ( j copd compoared can new ))) or ( j large compound law net ))*.