Talvez deva tentar algumas variações de ortografia:
veitch camp » veitch craig (Expandir a Pesquisa), veitch james (Expandir a Pesquisa)
camp than » camp nathan (Expandir a Pesquisa), bump than (Expandir a Pesquisa), camp can (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
land code » land cover (Expandir a Pesquisa), land model (Expandir a Pesquisa), land co (Expandir a Pesquisa)
v veitch » r veitch (Expandir a Pesquisa), m veitch (Expandir a Pesquisa), w veitch (Expandir a Pesquisa)
code cal » code call (Expandir a Pesquisa), code can (Expandir a Pesquisa), code case (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
cal non » al non (Expandir a Pesquisa), local non (Expandir a Pesquisa), focal non (Expandir a Pesquisa)
j land » j lane (Expandir a Pesquisa), j lang (Expandir a Pesquisa), j landon (Expandir a Pesquisa)
j dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa), 1 dna (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: (( v veitch camp than non ) or ((( j dna clamp a (node OR none) ) or ( j land code cal non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( v veitch camp than non ) OR ((( j dna clamp a (node OR none) ) OR ( j land code cal non ))))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( v veitch camp than non ) or ((( j dna clamp a (node OR none) ) or ( j land code cal non ))))*".