Perhaps you should try some spelling variations:
"coder coder hops hamming problem" » "coder coder hops halting problem" (Expand search), "coder coder hops swamping problem" (Expand search), "coder coder hops handling problem" (Expand search), "coder coder gps jamming problem" (Expand search), "coder decoder hops hamming problem" (Expand search), "code code hops hamming problem" (Expand search), "decoder codec hops hamming 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.

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