Talvez deva tentar algumas variações de ortografia:
composting con » compositing co (Expandir a Pesquisa), composting bins (Expandir a Pesquisa), composting soil (Expandir a Pesquisa)
complex tried » complex trial (Expandir a Pesquisa), complex tree (Expandir a Pesquisa), complex trex (Expandir a Pesquisa)
pang complex » long complex (Expandir a Pesquisa), lung complex (Expandir a Pesquisa), making complex (Expandir a Pesquisa)
serna carlos » serra carlos (Expandir a Pesquisa), pena carlos (Expandir a Pesquisa), mena carlos (Expandir a Pesquisa)
tried ngoc » trieu ngoc (Expandir a Pesquisa), trinh ngoc (Expandir a Pesquisa), tien ngoc (Expandir a Pesquisa)
carlos noe » carlos noa (Expandir a Pesquisa), carlos nobre (Expandir a Pesquisa), carlos nojek (Expandir a Pesquisa)
con net » con nee (Expandir a Pesquisa), non net (Expandir a Pesquisa), upon net (Expandir a Pesquisa)
_ pang » _ panc (Expandir a Pesquisa)
nacl » natl (Expandir a Pesquisa), nac (Expandir a Pesquisa), nucl (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 _ composting con net ) OR ((( _ pang complex tried ngoc ) OR ( 3.5 nacl serna carlos noe ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j _ composting con net ) OR ((( _ pang complex tried ngoc ) OR ( 3.5 nacl serna carlos noe ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ composting con net ) OR ((( _ pang complex tried ngoc ) OR ( 3.5 nacl serna carlos noe ))))*.