Perhaps you should try some spelling variations:
2_global optimization » global optimization (Expand Search), rational optimization (Expand Search)
whale optimization » swarm optimization (Expand Search)
image 2_global » image 1_global (Expand Search)
binary data » primary data (Expand Search), dietary data (Expand Search)
data whale » data where (Expand Search), data wales (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: (( binary data whale optimization algorithm ) OR ( binary image 2_global optimization algorithm ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( binary data whale optimization algorithm ) OR ( binary image 2_global optimization algorithm ))".
• Adding a wildcard symbol may retrieve word variants: (( binary data whale optimization algorithm ) OR ( binary image 2_global optimization algorithm ))*.