Perhaps you should try some spelling variations:
"coder coder gnss system programming" » "coder coder gnss systems programming" (Expand search), "coder coder gnss based programming" (Expand search), "coder coder gnss cortex programming" (Expand search), "coder decoder gnss system programming" (Expand search), "code code gnss system programming" (Expand search), "decoder codec gnss system programming" (Expand search), "coder coder glass system programming" (Expand search), "coder coder mass system programming" (Expand search), "coder coder agents system programming" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api 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 system programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder gnss system programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder gnss system programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder gnss system programming") OR ("api python python python programming"))*.