Perhaps you should try some spelling variations:
method complex » methods complex (Expand Search), method coupled (Expand Search), method complexity (Expand Search)
complex tam » complex team (Expand Search), complex tap (Expand Search), complex ta (Expand Search)
carlos nara » carlos lara (Expand Search), carlos nava (Expand Search), carlos jara (Expand Search)
mno carlos » magno carlos (Expand Search), cano carlos (Expand Search), nino carlos (Expand Search)
combs con » combs colin (Expand Search), combs john (Expand Search), combs cody (Expand Search)
5 method » 5 methods (Expand Search), 5 methoxy (Expand Search), 5 methyl (Expand Search)
tam ngoc » ta ngoc (Expand Search), lam ngoc (Expand Search), tran ngoc (Expand Search)
nacl mno » nacl kno (Expand Search), nacl nano (Expand Search), nacl en (Expand Search)
e combs » sex combs (Expand Search)
con net » con nee (Expand Search), non net (Expand Search), upon net (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.

• Removing quotes may allow a broader search: (( j e combs con net ) or ((( 5 method complex tam ngoc ) or ( 3.5 nacl mno carlos nara ))))*.