Talvez deva tentar algumas variações de ortografia:
method coupled » method compared (Expandir a Pesquisa)
coupled tran » coupled trans (Expandir a Pesquisa), coupled strain (Expandir a Pesquisa), coupled strand (Expandir a Pesquisa)
carlos carla » carlos camila (Expandir a Pesquisa), carlos calva (Expandir a Pesquisa), carlos caro (Expandir a Pesquisa)
combs focus » combs locus (Expandir a Pesquisa), common focus (Expandir a Pesquisa)
kbr carlos » dr carlos (Expandir a Pesquisa), cyr carlos (Expandir a Pesquisa), aybar carlos (Expandir a Pesquisa)
focus new » locus new (Expandir a Pesquisa), focus near (Expandir a Pesquisa)
5 method » 5 methods (Expandir a Pesquisa), 5 methoxy (Expandir a Pesquisa), 5 methyl (Expandir a Pesquisa)
tran nho » tran nhu (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), tran nhan (Expandir a Pesquisa)
nacl kbr » nacl nabr (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (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 combs focus new ) or ((( 5 method coupled tran nho ) or ( 3.5 nacl kbr carlos carla ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs focus new ) OR ((( 5 method coupled tran nho ) OR ( 3.5 nacl kbr carlos carla )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs focus new ) or ((( 5 method coupled tran nho ) or ( 3.5 nacl kbr carlos carla ))))*.