Perhaps you should try some spelling variations:
"coder coding on logarithmic function" » "coder coding of logarithmic function" (Expand search), "coder coding in logarithmic function" (Expand search), "coder coding and logarithmic function" (Expand search), "modern coding on logarithmic function" (Expand search), "color coding on logarithmic function" (Expand search), "odor coding on logarithmic function" (Expand search), "coder coding an logarithmic function" (Expand search)
"ipi in python python programming" » "ipi in pythons python programming" (Expand search), "ipi in piton python programming" (Expand search), "ipi in pitons python programming" (Expand search), "ipi _ python python programming" (Expand search), "tipi in python python programming" (Expand search), "ipi on python python programming" (Expand search), "spi in 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 on logarithmic function") OR ("ipi in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding on logarithmic function\") OR (\"ipi in python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding on logarithmic function ) OR ( ipi in python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding on logarithmic function") OR ("ipi in python python programming"))*.