Perhaps you should try some spelling variations:
"coder coder arduino grammar representation" » "coder coder arduino grammar presentation" (Expand search), "coder coder arduino grammars presentation" (Expand search), "coder coder arduino graphic representation" (Expand search), "coder con arduino grammar representation" (Expand search), "coder ide arduino grammar representation" (Expand search), "coder solar arduino grammar representation" (Expand search), "coder decoder arduino grammar representation" (Expand search), "code code arduino grammar representation" (Expand search), "decoder codec arduino grammar representation" (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)

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 arduino grammar representation") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder arduino grammar representation\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder arduino grammar representation ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder arduino grammar representation") OR ("api python python python programming"))*.