Perhaps you should try some spelling variations:
"recent african origin of modern humans OR " » "recent american origin of modern humans OR " (Expand Search), "recent african original of modern humans OR " (Expand Search), "recent african origin of moderne humans OR " (Expand Search), "recent african origin of modernes humans OR " (Expand Search)
african » american (Expand Search)
origine » originale (Expand Search), original (Expand Search)
modern » moderne (Expand Search), modernes (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("recent african origin of modern humans) OR ("recent african origine of modern humans))~.
• Removing quotes may allow a broader search: (( recent african origin of modern humans) OR ( recent african origine of modern humans)).
• Adding a wildcard symbol may retrieve word variants: (("recent african origin of modern humans) OR ("recent african origine of modern humans))*.