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