Perhaps you should try some spelling variations:
"coder coder vhdl complex processing" » "coder coder vhdl sample processing" (Expand search), "coder coder vhdl complex process" (Expand search), "coder coder vhdl combined processing" (Expand search), "coder coder vhdl computer processing" (Expand search), "coder coder viral complex processing" (Expand search), "coder coder model complex processing" (Expand search), "coder decoder vhdl complex processing" (Expand search), "code code vhdl complex processing" (Expand search), "decoder codec vhdl complex processing" (Expand search)
"_ pythons python python programming" » "_ pitons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pythons piton python programming" (Expand search), "_ pythons pitons python programming" (Expand search), "_ pythons pytm 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 complex processing") OR ("_ pythons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder vhdl complex processing\") OR (\"_ pythons python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder vhdl complex processing ) OR ( _ pythons python python programming ))*.