Perhaps you should try some spelling variations:
"coder coder plot cpld programming" » "coder coder plot child programming" (Expand search), "coder coder plot cell programming" (Expand search), "coder coder plot typed programming" (Expand search), "coder decoder plot cpld programming" (Expand search), "code code plot cpld programming" (Expand search), "decoder codec plot cpld programming" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 plot cpld programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder plot cpld programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder plot cpld programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder plot cpld programming") OR ("on python python python programming"))*.