Perhaps you should try some spelling variations:
"coder coder on integer problems" » "coder coder on integrated problems" (Expand search), "coder coder on linear problems" (Expand search), "coder decoder on integer problems" (Expand search), "code code on integer problems" (Expand search), "decoder codec on integer problems" (Expand search), "coder coder an integer problems" (Expand search), "coder coder of integer problems" (Expand search), "coder coder in integer problems" (Expand search), "coder code on integer problems" (Expand search), "coder codes on integer problems" (Expand search), "coder powder on integer 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 coder on integer problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder on integer problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder on integer problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder on integer problems") OR ("api python python python programming"))*.