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)
"coder coder using stem coding" » "coder decoder using stem coding" (Expand search), "code code using stem coding" (Expand search), "decoder codec using stem coding" (Expand search), "coder coders using stem coding" (Expand search), "coder cover using stem coding" (Expand search), "coder code using stem coding" (Expand search), "coder coder using sum coding" (Expand search), "coder coder using stem modeling" (Expand search), "coder coder using item encoding" (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 using stem coding") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder using stem coding\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder using stem coding ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder using stem coding") OR ("api python python python programming"))*.