Perhaps you should try some spelling variations:
comunales una » comunales un (Expand Search), comunales en (Expand Search), comunes una (Expand Search)
complex tran » complex trans (Expand Search), complex tehran (Expand Search), complex trait (Expand Search)
l comunales » _ comunales (Expand Search), y comunales (Expand Search), los comunales (Expand Search)
cat2 carlos » caro carlos (Expand Search), cara carlos (Expand Search), catano carlos (Expand Search)
carlos noel » carlos noe (Expand Search), carlos joel (Expand Search), carlos yoel (Expand Search)
yl complex » gl complex (Expand Search), cl complex (Expand Search), fl complex (Expand Search)
null cat2 » null data (Expand Search)
una net » dna net (Expand Search), na net (Expand Search), una neo (Expand Search)
3 null » _ null (Expand Search), a null (Expand Search), 1 null (Expand Search)
ngoc » ngo (Expand Search)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( j l comunales una net ) or ((( 2 yl complex tran ngoc ) or ( 3 null cat2 carlos noel ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j l comunales una net ) OR ((( 2 yl complex tran ngoc ) OR ( 3 null cat2 carlos noel )))).
• Adding a wildcard symbol may retrieve word variants: (( j l comunales una net ) or ((( 2 yl complex tran ngoc ) or ( 3 null cat2 carlos noel ))))*.