Perhaps you should try some spelling variations:
"coder decoder java java problems" » "encoder decoder java java problems" (Expand search), "coder decoder java falva problems" (Expand search), "coder decoder java data problems" (Expand search), "coder decoder java ava problem" (Expand search), "coder codes java java problems" (Expand search), "coder xcode java java problems" (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 decoder java java problems") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder java java problems\") OR (\"via python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder java java problems ) OR ( via python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder java java problems") OR ("via python python python programming"))*.