Perhaps you should try some spelling variations:
"xapi with python python programming" » "xapi with pythons python programming" (Expand search), "xapi with piton python programming" (Expand search), "xapi with pitons python programming" (Expand search), "xai with python python programming" (Expand search), "pi with python python programming" (Expand search), "ai with python python programming" (Expand search)
"coder coding _ programming problems" » "modern coding _ programming problems" (Expand search), "color coding _ programming problems" (Expand search), "odor coding _ programming problems" (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 _ programming problems\") OR (\"xapi with python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding _ programming problems ) OR ( xapi with python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding _ programming problems") OR ("xapi with python python programming"))*.