Talvez deva tentar algumas variações de ortografia:
carlos romero » carlos roberto (Expandir a Pesquisa)
complex trait » complex traits (Expandir a Pesquisa)
fact complex » factor complex (Expandir a Pesquisa), factor complexes (Expandir a Pesquisa)
nano carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), nuno carlos (Expandir a Pesquisa)
trait flow » traits flow (Expandir a Pesquisa), tract flow (Expandir a Pesquisa), train flow (Expandir a Pesquisa)
nacl nano » nacl kno (Expandir a Pesquisa), nacl nabr (Expandir a Pesquisa), nacl naoh (Expandir a Pesquisa)
l cooper » _ cooper (Expandir a Pesquisa), j cooper (Expandir a Pesquisa), m cooper (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (Expandir a Pesquisa)
alan b » alan _ (Expandir a Pesquisa)
_ fact » _ facts (Expandir a Pesquisa), _ face (Expandir a Pesquisa), _ factor (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 cooper alan b ) or ((( _ fact complex trait flow ) or ( 0.9 nacl nano carlos romero ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l cooper alan b ) OR ((( _ fact complex trait flow ) OR ( 0.9 nacl nano carlos romero )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l cooper alan b ) or ((( _ fact complex trait flow ) or ( 0.9 nacl nano carlos romero ))))*.