Talvez deva tentar algumas variações de ortografia:
method companies » method compared (Expandir a Pesquisa), metal companies (Expandir a Pesquisa), merged companies (Expandir a Pesquisa)
companies using » composites using (Expandir a Pesquisa), complexes using (Expandir a Pesquisa)
semino carlos » serrano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), emilio carlos (Expandir a Pesquisa)
combs colon » combs colin (Expandir a Pesquisa), combat colon (Expandir a Pesquisa), comb color (Expandir a Pesquisa)
using ngoc » using ngs (Expandir a Pesquisa), sang ngoc (Expandir a Pesquisa), using nacc (Expandir a Pesquisa)
carlos noa » carlos nodal (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa)
5 method » 5 methods (Expandir a Pesquisa), 05 method (Expandir a Pesquisa), 15 method (Expandir a Pesquisa)
0.9 nucl » 0.9 nacl (Expandir a Pesquisa), 1.9 null (Expandir a Pesquisa)
m combs » m coombs (Expandir a Pesquisa), e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa)
colon a » colon _ (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 combs colon a ) or ((( 5 method companies using ngoc ) or ( 0.9 nucl semino carlos noa ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m combs colon a ) OR ((( 5 method companies using ngoc ) OR ( 0.9 nucl semino carlos noa )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m combs colon a ) or ((( 5 method companies using ngoc ) or ( 0.9 nucl semino carlos noa ))))*.