Perhaps you should try some spelling variations:
"coder coder sending sample problem" » "coder coder sending samples problem" (Expand search), "coder coder setting sample problem" (Expand search), "coder coder seeking samples problem" (Expand search), "coder coder sending complex problem" (Expand search), "coder coder sending scale problem" (Expand search), "coder over sending sample problem" (Expand search), "coder under bending sample problem" (Expand search), "coder code blending sample problem" (Expand search), "coder decoder sending sample problem" (Expand search), "code code sending sample problem" (Expand search), "decoder codec sending sample 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 sending sample problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sending sample problem\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sending sample problem ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sending sample problem") OR ("on python python python programming"))*.