Talvez deva tentar algumas variações de ortografia:
metil complex » metal complex (Expandir a Pesquisa), metals complex (Expandir a Pesquisa), met complex (Expandir a Pesquisa)
complex trial » complex tibial (Expandir a Pesquisa), complex tropical (Expandir a Pesquisa), complex arterial (Expandir a Pesquisa)
campo anion » campo andion (Expandir a Pesquisa), campo ancon (Expandir a Pesquisa), campo antoni (Expandir a Pesquisa)
nano carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), nuno carlos (Expandir a Pesquisa)
carlos nada » carlos nadaf (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa)
trial ngoa » trial noa (Expandir a Pesquisa), trial goal (Expandir a Pesquisa), trial na (Expandir a Pesquisa)
anion net » anion na (Expandir a Pesquisa), anion ni2 (Expandir a Pesquisa)
nacl nano » nacl kno (Expandir a Pesquisa), nacl nabr (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
5 metil » 5 methyl (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: (( y del campo anion net ) OR ((( 5 metil complex trial ngoa ) OR ( 7.5 nacl nano carlos nada ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( y del campo anion net ) OR ((( 5 metil complex trial ngoa ) OR ( 7.5 nacl nano carlos nada ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( y del campo anion net ) OR ((( 5 metil complex trial ngoa ) OR ( 7.5 nacl nano carlos nada ))))*.