Perhaps you should try some spelling variations:
"coder recognition by precoder program" » "border recognition by precoder program" (Expand search), "mode recognition by precoder program" (Expand search), "order recognition by precoder program" (Expand search), "coder recognition by proder program" (Expand search), "coder recognition by recovery program" (Expand search), "coder recognition by precoce programa" (Expand search), "coder recognition _ precoder program" (Expand search), "coder recognition and precoder program" (Expand search), "coder recognition to precoder program" (Expand search), "coder recognition by precocene 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 recognition by precoder program\") OR (\"on python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder recognition by precoder program ) OR ( on python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder recognition by precoder program") OR ("on python python python programming"))*.