Perhaps you should try some spelling variations:
"coder firefly algorithm using array" » "coder firefly algorithm in array" (Expand search), "covq firefly algorithm using array" (Expand search), "coder firefly algorithm using spray" (Expand search), "coder firefly algorithm using ray" (Expand search), "coder firefly algorithm ring array" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (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: (("coder firefly algorithm using array") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder firefly algorithm using array\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder firefly algorithm using array ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder firefly algorithm using array") OR ("api python python python programming"))*.