Perhaps you should try some spelling variations:
"coder decoder loading sample problem" » "coder decoder working sample problem" (Expand search), "coder decoder fading samples problem" (Expand search), "coder decoder loading angle problem" (Expand search), "coder decoder loading complex problem" (Expand search), "coder decoder loading same problems" (Expand search), "coder decoder loading scale problem" (Expand search), "encoder decoder loading sample problem" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder loading sample problem\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder decoder loading sample problem ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder decoder loading sample problem") OR ("_ python python python programming"))*.