Perhaps you should try some spelling variations:
"api _ python python programming" » "api _ pythons python programming" (Expand search), "api _ piton python programming" (Expand search), "api _ pitons python programming" (Expand search)
"coder coder using arduino programmable" » "coder decoder using arduino programmable" (Expand search), "code code using arduino programmable" (Expand search), "decoder codec using arduino programmable" (Expand search), "coder coders using arduino programmable" (Expand search), "coder cover using arduino programmable" (Expand search), "coder code using arduino programmable" (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 arduino programmable") OR ("api _ python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder using arduino programmable\") OR (\"api _ python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder using arduino programmable ) OR ( api _ python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder using arduino programmable") OR ("api _ python python programming"))*.