Perhaps you should try some spelling variations:
"coder coder gnss parallel programming" » "coder coder genus parallel programming" (Expand search), "coder coder lines parallel programming" (Expand search), "coder coder in parallel programming" (Expand search), "coder decoder gnss parallel programming" (Expand search), "code code gnss parallel programming" (Expand search), "decoder codec gnss parallel 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 gnss parallel programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder gnss parallel programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder gnss parallel programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder gnss parallel programming") OR ("_ python python python programming"))*.