Talvez deva tentar algumas variações de ortografia:
method complex » methods complex (Expandir a Pesquisa), method coupled (Expandir a Pesquisa), method complexity (Expandir a Pesquisa)
complex phase » complex pain (Expandir a Pesquisa)
comps anion » complex anion (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
phase ngoc » pham ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa), phase non (Expandir a Pesquisa)
anion net » anion bedt (Expandir a Pesquisa), anion na (Expandir a Pesquisa), anion n (Expandir a Pesquisa)
co carlos » fico carlos (Expandir a Pesquisa), caro carlos (Expandir a Pesquisa), cardo carlos (Expandir a Pesquisa)
5 method » 5 methods (Expandir a Pesquisa), 5 methoxy (Expandir a Pesquisa), 5 methyl (Expandir a Pesquisa)
nacl co » nacl co2 (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa), nacl kno (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 m comps anion net ) or ((( 5 method complex phase ngoc ) or ( 3.5 nacl co carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m comps anion net ) OR ((( 5 method complex phase ngoc ) OR ( 3.5 nacl co carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m comps anion net ) or ((( 5 method complex phase ngoc ) or ( 3.5 nacl co carlos nara ))))*.