Perhaps you should try some spelling variations:
"coder coder adding sample problem" » "coder coder adding complex problem" (Expand search), "coder coder adding same problems" (Expand search), "coder coder fading samples problem" (Expand search), "coder coder varying sample problem" (Expand search), "coder coder using sample problem" (Expand search), "coder or adding sample problem" (Expand search), "coder decoder adding sample problem" (Expand search), "code code adding sample problem" (Expand search), "decoder codec adding sample problem" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in 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 coder adding sample problem") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder adding sample problem\") OR (\"via python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder adding sample problem ) OR ( via python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder adding sample problem") OR ("via python python python programming"))*.