Perhaps you should try some spelling variations:
"coder coder density solving problems" » "coder coder density solvent problems" (Expand search), "coder coder density sowing problems" (Expand search), "coder coder density stocking problems" (Expand search), "coder cover density solving problems" (Expand search), "coder powder density solving problems" (Expand search), "coder power density solving problems" (Expand search), "coder decoder density solving problems" (Expand search), "code code density solving problems" (Expand search), "decoder codec density solving 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 density solving problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder density solving problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder density solving problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder density solving problems") OR ("api python python python programming"))*.