Perhaps you should try some spelling variations:
"coder coding program open problems" » "coder cloning program open problems" (Expand search), "coder loading program open problems" (Expand search), "coder cooling programs open problems" (Expand search), "coder coding program on problems" (Expand search), "modern coding program open problems" (Expand search), "color coding program open problems" (Expand search), "odor coding program open problems" (Expand search), "coder coding program one problems" (Expand search), "coder coding program of problems" (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 coding program open problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding program open problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding program open problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding program open problems") OR ("api python python python programming"))*.