Perhaps you should try some spelling variations:
"coder coder presentation formal program" » "coder coder presentation format program" (Expand search), "coder coder representation formal program" (Expand search), "coder coder presentation form program" (Expand search), "coder poster presentation formal program" (Expand search), "coder cancer presentation formal program" (Expand search), "coder case presentation formal program" (Expand search), "coder coder presentation forma programa" (Expand search), "coder coder presentation fortran program" (Expand search), "coder coder presentation social program" (Expand search), "coder decoder presentation formal program" (Expand search), "code code presentation formal program" (Expand search), "decoder codec presentation formal 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 coder presentation formal program") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder presentation formal program\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder presentation formal program ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder presentation formal program") OR ("on python python python programming"))*.