Talvez deva tentar algumas variações de ortografia:
small compelling » small competing (Expandir a Pesquisa), small comparing (Expandir a Pesquisa), a compelling (Expandir a Pesquisa)
compelling case » competing causes (Expandir a Pesquisa)
nava clamp » aaa clamp (Expandir a Pesquisa)
case ngos » based ngos (Expandir a Pesquisa), case non (Expandir a Pesquisa), can ngos (Expandir a Pesquisa)
gram cap » gram a (Expandir a Pesquisa), gram cnn (Expandir a Pesquisa), gram mat (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
cap can » gap can (Expandir a Pesquisa), cap cap (Expandir a Pesquisa), cap con (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa)
j nava » _ nava (Expandir a Pesquisa), a nava (Expandir a Pesquisa)
j node » _ node (Expandir a Pesquisa), a node (Expandir a Pesquisa), 2 node (Expandir a Pesquisa)
j gram » j gray (Expandir a Pesquisa), j gran (Expandir a Pesquisa), j graf (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: (( a small compelling case ngos ) or ((( j nava clamp j node ) or ( j gram cap can non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a small compelling case ngos ) OR ((( j nava clamp j node ) OR ( j gram cap can non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a small compelling case ngos ) or ((( j nava clamp j node ) or ( j gram cap can non ))))*.