Perhaps you should try some spelling variations:
"coder optimization control using problem" » "coder optimizing control using problem" (Expand search), "coder optimization cost using problem" (Expand search), "coder optimized control using problem" (Expand search), "code optimization control using problem" (Expand search), "modern optimization control using problem" (Expand search), "powder optimization control using problem" (Expand search), "coder optimization control housing problems" (Expand search), "coder optimization control routing problem" (Expand search), "coder optimization control cutting problem" (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 optimization control using problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder optimization control using problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder optimization control using problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder optimization control using problem") OR ("api python python python programming"))*.