Perhaps you should try some spelling variations:
"coder coder vhdl computers programming" » "coder coder vhdl computer programming" (Expand search), "coder coder vhdl computer program" (Expand search), "coder coder vhdl computer programs" (Expand search), "coder coder and computers programming" (Expand search), "coder coder apdl computer programming" (Expand search), "coder decoder vhdl computers programming" (Expand search), "code code vhdl computers programming" (Expand search), "decoder codec vhdl computers 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 vhdl computers programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder vhdl computers programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder vhdl computers programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder vhdl computers programming") OR ("on python python python programming"))*.