Perhaps you should try some spelling variations:
"decoder codecs patterns in program" » "decoder models patterns in program" (Expand search), "decoder model patterns in program" (Expand search), "decoder coding patterns in program" (Expand search), "decoder codecs patterns in programs" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"decoder codecs patterns in program\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( decoder codecs patterns in program ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("decoder codecs patterns in program") OR ("_ python python python programming"))*.