Perhaps you should try some spelling variations:
"coder coder using java problem" » "coder coder using ava problem" (Expand search), "coder coder using data problem" (Expand search), "coder coder using falva problems" (Expand search), "coder decoder using java problem" (Expand search), "code code using java problem" (Expand search), "decoder codec using java problem" (Expand search), "coder coders using java problem" (Expand search), "coder cover using java problem" (Expand search), "coder code using java problem" (Expand search)
"in python piton python programming" » "in python python python programming" (Expand search), "in pythons python python programming" (Expand search), "in python editor python programming" (Expand search), "in python pitons python programming" (Expand search), "in python with python programming" (Expand search), "in python on python programming" (Expand search), "_ python piton 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 using java problem") OR ("in python piton python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder using java problem\") OR (\"in python piton python programming\"))".
• Removing quotes may allow a broader search: (( coder coder using java problem ) OR ( in python piton python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder using java problem") OR ("in python piton python programming"))*.