Perhaps you should try some spelling variations:
"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)
"coder coding model using tree" » "modern coding model using tree" (Expand search), "color coding model using tree" (Expand search), "odor coding model using tree" (Expand search), "coder coding mode using tree" (Expand search), "coder costing model using tree" (Expand search), "coder folding model using tree" (Expand search), "coder coding model using three" (Expand search), "coder coding model using free" (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 model using tree\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding model using tree ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding model using tree") OR ("api python python python programming"))*.