Talvez deva tentar algumas variações de ortografia:
complex tried » complex trial (Expandir a Pesquisa), complex tree (Expandir a Pesquisa), complex tric (Expandir a Pesquisa)
coombes john » coombs john (Expandir a Pesquisa), combes john (Expandir a Pesquisa), coombes jason (Expandir a Pesquisa)
naoh carlos » naoh carbon (Expandir a Pesquisa), rath carlos (Expandir a Pesquisa), bloch carlos (Expandir a Pesquisa)
carlos jara » carlos lara (Expandir a Pesquisa), carlos carla (Expandir a Pesquisa), carlos juca (Expandir a Pesquisa)
john neetu » john reetu (Expandir a Pesquisa), john neena (Expandir a Pesquisa), jain neetu (Expandir a Pesquisa)
tried ngoc » trieu ngoc (Expandir a Pesquisa), trinh ngoc (Expandir a Pesquisa), thien ngoc (Expandir a Pesquisa)
m coombes » k coombes (Expandir a Pesquisa), l coomber (Expandir a Pesquisa)
nacl naoh » nacl nabr (Expandir a Pesquisa), nacl nano (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: (( j m coombes john neetu ) or ((( 5 a complex tried ngoc ) or ( 3.5 nacl naoh carlos jara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m coombes john neetu ) OR ((( 5 a complex tried ngoc ) OR ( 3.5 nacl naoh carlos jara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m coombes john neetu ) or ((( 5 a complex tried ngoc ) or ( 3.5 nacl naoh carlos jara ))))*.