Perhaps you should try some spelling variations:
"software implementation of precoder program" » "software implementation of proder program" (Expand search), "software implementation of recovery program" (Expand search), "software implementation of precoce programa" (Expand search), "software implementation of precoded program" (Expand search), "software implementation of premodern program" (Expand search), "software implementation to precoder program" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium 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: (("software implementation of precoder program") OR ("using codigo python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"software implementation of precoder program\") OR (\"using codigo python python programming\"))".
• Removing quotes may allow a broader search: (( software implementation of precoder program ) OR ( using codigo python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("software implementation of precoder program") OR ("using codigo python python programming"))*.