Perhaps you should try some spelling variations:
"coder precoder _ competitive programming" » "coder precoder _ copositive programming" (Expand search), "coder precoder _ objective programming" (Expand search), "coder precoder _ compromise programming" (Expand search), "coder decoder _ competitive programming" (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), "manim 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 precoder _ competitive programming\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder precoder _ competitive programming ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder precoder _ competitive programming") OR ("api python python python programming"))*.