Talvez deva tentar algumas variações de ortografia:
compared boron » coated boron (Expandir a Pesquisa), combined boron (Expandir a Pesquisa), compared blood (Expandir a Pesquisa)
daily compared » elderly compared (Expandir a Pesquisa)
complex using » complexes using (Expandir a Pesquisa)
oil complex » model complex (Expandir a Pesquisa)
boron ngoc » horn ngoc (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
using new » using next (Expandir a Pesquisa), using near (Expandir a Pesquisa)
nat pip » na pip (Expandir a Pesquisa)
pip can » pdip can (Expandir a Pesquisa), hip can (Expandir a Pesquisa), prp can (Expandir a Pesquisa)
m daily » m dailey (Expandir a Pesquisa), mm daily (Expandir a Pesquisa), a daily (Expandir a Pesquisa)
3 oil » 3 oils (Expandir a Pesquisa), _ oil (Expandir a Pesquisa), l oil (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: (( _ nat pip can newts ) or ((( m daily compared boron ngoc ) or ( 3 oil complex using new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ nat pip can newts ) OR ((( m daily compared boron ngoc ) OR ( 3 oil complex using new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ nat pip can newts ) or ((( m daily compared boron ngoc ) or ( 3 oil complex using new ))))*.