Talvez deva tentar algumas variações de ortografia:
methods complex » methods coupled (Expandir a Pesquisa), methods compared (Expandir a Pesquisa), methods computer (Expandir a Pesquisa)
composti when » compost when (Expandir a Pesquisa), composite when (Expandir a Pesquisa), composition when (Expandir a Pesquisa)
complex leads » complex locus (Expandir a Pesquisa), complex links (Expandir a Pesquisa)
l composti » el compost (Expandir a Pesquisa), _ composting (Expandir a Pesquisa), el composteo (Expandir a Pesquisa)
5 methods » 5 methoxy (Expandir a Pesquisa)
leads ngo » leads who (Expandir a Pesquisa), leads gu (Expandir a Pesquisa), leads new (Expandir a Pesquisa)
campos na » campos a (Expandir a Pesquisa), campos n (Expandir a Pesquisa), campos _ (Expandir a Pesquisa)
when new » when non (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (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 composti when new ) or ((( 5 methods complex leads ngo ) or ( 7.5 nacl _ campos na ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l composti when new ) OR ((( 5 methods complex leads ngo ) OR ( 7.5 nacl _ campos na )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l composti when new ) or ((( 5 methods complex leads ngo ) or ( 7.5 nacl _ campos na ))))*.