Perhaps you should try some spelling variations:
"coder sampling based precoder program" » "coder sampling based proder program" (Expand search), "coder sampling based recovery program" (Expand search), "coder sampling based precoce programa" (Expand search), "under sampling based precoder program" (Expand search), "core sampling based precoder program" (Expand search), "over sampling based precoder program" (Expand search), "coder sampling and precoder program" (Expand search), "coder sampling bias precoder program" (Expand search), "coder samples based precoder program" (Expand search), "coder sampling based decoder program" (Expand search), "coder sampling based decoders 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder sampling based precoder program\") OR (\"on python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder sampling based precoder program ) OR ( on python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder sampling based precoder program") OR ("on python python python programming"))*.