Perhaps you should try some spelling variations:
"coder coding _ levels programming" » "coder coding _ level programming" (Expand search), "coder coding _ bilevel programming" (Expand search), "coder coding _ cells programming" (Expand search), "modern coding _ levels programming" (Expand search), "color coding _ levels programming" (Expand search), "odor coding _ levels 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)

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 coding _ levels programming\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding _ levels programming ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding _ levels programming") OR ("api python python python programming"))*.