Perhaps you should try some spelling variations:
"coder applications _ coding problems" » "code applications _ coding problems" (Expand search), "modern applications _ coding problems" (Expand search), "power applications _ coding problems" (Expand search), "coder applications _ loading problems" (Expand search), "coder applications _ counting problems" (Expand search), "coder applications _ covering 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 applications _ coding problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder applications _ coding problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder applications _ coding problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder applications _ coding problems") OR ("api python python python programming"))*.