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