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