Talvez deva tentar algumas variações de ortografia:
diabetes compared » diabetes care (Expandir a Pesquisa)
nair company » air company (Expandir a Pesquisa), nail company (Expandir a Pesquisa), dairy company (Expandir a Pesquisa)
company law » company a (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
nat comp » et comp (Expandir a Pesquisa)
comp can » camp can (Expandir a Pesquisa), chimp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
law netw » law new (Expandir a Pesquisa), law note (Expandir a Pesquisa), law need (Expandir a Pesquisa)
j nair » _ nair (Expandir a Pesquisa), g nair (Expandir a Pesquisa), a nair (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( _ diabetes compared a new ) OR ( j nat comp can new ))) OR ( j nair company law netw ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ diabetes compared a new ) OR ( j nat comp can new ))) OR ( j nair company law netw ))*.