Perhaps you should try some spelling variations:
"coder coder based controller problems" » "coder coder based control problems" (Expand search), "coder coder based controle problemas" (Expand search), "coder coder based controller process" (Expand search), "coder coder pid controller problems" (Expand search), "coder coder can controller problems" (Expand search), "coder decoder based controller problems" (Expand search), "code code based controller problems" (Expand search), "decoder codec based controller problems" (Expand search), "coder code based controller problems" (Expand search), "coder foder based controller problems" (Expand search), "coder codec based controller problems" (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 based controller problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder based controller problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder based controller problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder based controller problems") OR ("api python python python programming"))*.