Talvez deva tentar algumas variações de ortografia:
complex plumage » complex plane (Expandir a Pesquisa), complex image (Expandir a Pesquisa), complex phage (Expandir a Pesquisa)
comouted pain » computed pain (Expandir a Pesquisa), compounded pain (Expandir a Pesquisa), comorbid pain (Expandir a Pesquisa)
nail complex » snail complex (Expandir a Pesquisa), tail complex (Expandir a Pesquisa), snail1 complex (Expandir a Pesquisa)
a comouted » a computed (Expandir a Pesquisa), a computer (Expandir a Pesquisa), a commuter (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (Expandir a Pesquisa)
nacl co2 » nacl co (Expandir a Pesquisa)
pain now » pain new (Expandir a Pesquisa), pain non (Expandir a Pesquisa)
co2 can » co2 dan (Expandir a Pesquisa), co2 case (Expandir a Pesquisa), co2 dans (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
3 nail » _ nail (Expandir a Pesquisa), a nail (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
ngoc » ngo (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: (((( 0.9 nacl co2 can now ) or ( 3 nail complex plumage ngoc ))) or ( j a comouted pain now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( 0.9 nacl co2 can now ) OR ( 3 nail complex plumage ngoc ))) OR ( j a comouted pain now ))*.