Perhaps you should try some spelling variations:
"coder _ algorithm optimization array" » "coder _ algorithm optimization dry" (Expand search), "coder _ algorithm optimization aircraft" (Expand search), "coder _ algorithm optimization energy" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder _ algorithm optimization array\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder _ algorithm optimization array ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder _ algorithm optimization array") OR ("api python python python programming"))*.