Perhaps you should try some spelling variations:
"coder coder teaching paralel programming" » "coder coder teaching parallel programming" (Expand search), "coder coder teaching parallel programing" (Expand search), "coder coder teaching paradigm programming" (Expand search), "coder coder teaching parana programming" (Expand search), "coder coder teaching paraiba programming" (Expand search), "coder code teaching paralel programming" (Expand search), "coder poder teaching paralel programming" (Expand search), "coder model teaching paralel programming" (Expand search), "coder decoder teaching paralel programming" (Expand search), "code code teaching paralel programming" (Expand search), "decoder codec teaching paralel programming" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ 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 teaching paralel programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder teaching paralel programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder teaching paralel programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder teaching paralel programming") OR ("_ python python python programming"))*.