Perhaps you should try some spelling variations:
"coder coder tracking and problem" » "coder code tracking and problem" (Expand search), "coder power tracking and problem" (Expand search), "coder order tracking and problem" (Expand search), "coder coder tracking _ problem" (Expand search), "coder decoder tracking and problem" (Expand search), "code code tracking and problem" (Expand search), "decoder codec tracking and problem" (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 tracking and problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder tracking and problem\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder tracking and problem ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder tracking and problem") OR ("on python python python programming"))*.