Talvez deva tentar algumas variações de ortografia:
metil complex » metal complex (Expandir a Pesquisa), metals complex (Expandir a Pesquisa), met complex (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
campus natal » campus data (Expandir a Pesquisa), campos natalia (Expandir a Pesquisa)
compost sin » compost bin (Expandir a Pesquisa), compost using (Expandir a Pesquisa), compost soil (Expandir a Pesquisa)
al campus » a campus (Expandir a Pesquisa), el campus (Expandir a Pesquisa), del campus (Expandir a Pesquisa)
tran ngo » tran ngoc (Expandir a Pesquisa), tran nho (Expandir a Pesquisa), tran nga (Expandir a Pesquisa)
sin neo » sin nido (Expandir a Pesquisa)
5 metil » 5 methyl (Expandir a Pesquisa)
nacl al » nacl a (Expandir a Pesquisa), nacl aq (Expandir a Pesquisa), nacl salt (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 _ compost sin neo ) OR ((( 5 metil complex tran ngo ) OR ( 0.9 nacl al campus natal ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j _ compost sin neo ) OR ((( 5 metil complex tran ngo ) OR ( 0.9 nacl al campus natal ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ compost sin neo ) OR ((( 5 metil complex tran ngo ) OR ( 0.9 nacl al campus natal ))))*.