Talvez deva tentar algumas variações de ortografia:
complex derived » complexes derived (Expandir a Pesquisa)
neco complex » neck complex (Expandir a Pesquisa), recor complex (Expandir a Pesquisa), co complex (Expandir a Pesquisa)
derived ngoc » derived non (Expandir a Pesquisa), derived ngf (Expandir a Pesquisa), derived no2 (Expandir a Pesquisa)
carlos vidal » carlos hidalgo (Expandir a Pesquisa)
mar carlos » mario carlos (Expandir a Pesquisa), maria carlos (Expandir a Pesquisa), marco carlos (Expandir a Pesquisa)
comps con » compost con (Expandir a Pesquisa), comps los (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
nacl mar » nacl nabr (Expandir a Pesquisa), nacl meat (Expandir a Pesquisa), nacl para (Expandir a Pesquisa)
l comps » m comps (Expandir a Pesquisa)
con net » con nee (Expandir a Pesquisa), non net (Expandir a Pesquisa), upon net (Expandir a Pesquisa)
5 neco » _ neco (Expandir a Pesquisa), r neco (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 l comps con net ) or ((( 5 neco complex derived ngoc ) or ( 7.5 nacl mar carlos vidal ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comps con net ) OR ((( 5 neco complex derived ngoc ) OR ( 7.5 nacl mar carlos vidal )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comps con net ) or ((( 5 neco complex derived ngoc ) or ( 7.5 nacl mar carlos vidal ))))*.