Perhaps you should try some spelling variations:
"coder coder silencing based program" » "coder co silencing based program" (Expand search), "coder or silencing based program" (Expand search), "coder poder silencio based program" (Expand search), "coder coder sequencing based program" (Expand search), "coder coder silencing and program" (Expand search), "coder decoder silencing based program" (Expand search), "code code silencing based program" (Expand search), "decoder codec silencing based program" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 silencing based program") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder silencing based program\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder silencing based program ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder silencing based program") OR ("on python python python programming"))*.