Perhaps you should try some spelling variations:
"coder coding using s presentation" » "coder coding using _ presentation" (Expand search), "coder coding using at presentation" (Expand search), "coder coding using 19 presentation" (Expand search), "modern coding using s presentation" (Expand search), "color coding using s presentation" (Expand search), "odor coding using s presentation" (Expand search), "coder modeling using s presentation" (Expand search), "coder drying using s presentation" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python 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: (("coder coding using s presentation") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding using s presentation\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding using s presentation ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding using s presentation") OR ("in python python python programming"))*.