Talvez deva tentar algumas variações de ortografia:
ruiz compounds » oil compounds (Expandir a Pesquisa), nut compounds (Expandir a Pesquisa), pair compounds (Expandir a Pesquisa)
compounds can » compounds a (Expandir a Pesquisa), compounds _ (Expandir a Pesquisa), compounds 1 (Expandir a Pesquisa)
nair cnp » nair c.p (Expandir a Pesquisa), nair anup (Expandir a Pesquisa), nair c (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
cnp dan » anp dan (Expandir a Pesquisa), cnp can (Expandir a Pesquisa), crp dan (Expandir a Pesquisa)
dan non » than non (Expandir a Pesquisa), dan ning (Expandir a Pesquisa)
j ruiz » a ruiz (Expandir a Pesquisa)
j nair » _ nair (Expandir a Pesquisa), p nair (Expandir a Pesquisa), a nair (Expandir a Pesquisa)
nacl a » nacl _ (Expandir a Pesquisa), nacl y (Expandir a Pesquisa), nacl e (Expandir a Pesquisa)
camp » cam (Expandir a Pesquisa), comp (Expandir a Pesquisa), cap (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 ruiz compounds can new ) or ((( j nair cnp dan non ) or ( 3.5 nacl a (camp or com) non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j ruiz compounds can new ) OR ((( j nair cnp dan non ) OR ( 3.5 nacl a (camp OR com) non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j ruiz compounds can new ) or ((( j nair cnp dan non ) or ( 3.5 nacl a (camp or com) non ))))*.