Perhaps you should try some spelling variations:
"coder coder objective shortest problem" » "coder coder objective forest problem" (Expand search), "coder coder objective shortage problem" (Expand search), "coder coder objective shortest route" (Expand search), "coder under objective shortest problem" (Expand search), "coder coffee objective shortest problem" (Expand search), "coder convex objective shortest problem" (Expand search), "coder decoder objective shortest problem" (Expand search), "code code objective shortest problem" (Expand search), "decoder codec objective shortest 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 coder objective shortest problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder objective shortest problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder objective shortest problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder objective shortest problem") OR ("api python python python programming"))*.