Talvez deva tentar algumas variações de ortografia:
compared boron » coated boron (Expandir a Pesquisa), combined boron (Expandir a Pesquisa), compared blood (Expandir a Pesquisa)
scale coarse » scale sparse (Expandir a Pesquisa), state coarse (Expandir a Pesquisa), scale collapse (Expandir a Pesquisa)
ml compared » gel compared (Expandir a Pesquisa), oil compared (Expandir a Pesquisa), model compared (Expandir a Pesquisa)
nayl clamp » tail clamp (Expandir a Pesquisa)
coarse net » coarse wheat (Expandir a Pesquisa)
boron ngo » boron nano (Expandir a Pesquisa)
nay scale » day scale (Expandir a Pesquisa), pay scale (Expandir a Pesquisa), gray scale (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
j nayl » a nayl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j naya (Expandir a Pesquisa)
j nay » j nagy (Expandir a Pesquisa), _ nay (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: (( _ ml compared boron ngo ) or ((( j nayl clamp a new ) or ( j nay scale coarse net ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ ml compared boron ngo ) OR ((( j nayl clamp a new ) OR ( j nay scale coarse net )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ ml compared boron ngo ) or ((( j nayl clamp a new ) or ( j nay scale coarse net ))))*.