Perhaps you should try some spelling variations:
"coder using linear precoder program" » "coder using linear proder program" (Expand search), "coder using linear recovery program" (Expand search), "coder using linear precoce programa" (Expand search), "coder using linear precoding program" (Expand search), "coder using linear eroder program" (Expand search), "coder using linear preserver program" (Expand search), "coders using linear precoder program" (Expand search), "cover using linear precoder program" (Expand search), "code using linear precoder 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.

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