Perhaps you should try some spelling variations:
"coder implementation in housing problem" » "code implementation in housing problem" (Expand search), "decoder implementation in housing problem" (Expand search), "model implementation in housing problem" (Expand search), "coder implementation and housing problem" (Expand search), "coder implementation of housing problem" (Expand search), "coder implementation in housing problems" (Expand search), "coder implementation in routing problem" (Expand search), "coder implementation in housing program" (Expand search), "coder implementation _ housing problem" (Expand search)
"python coding piton python programming" » "action coding piton python programming" (Expand search), "python code piton python programming" (Expand search), "python coding in python programming" (Expand search), "python coding with python programming" (Expand search), "python coding to python programming" (Expand search), "python coding pitons 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 implementation in housing problem") OR ("python coding piton python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder implementation in housing problem\") OR (\"python coding piton python programming\"))*".
• Removing quotes may allow a broader search: (( coder implementation in housing problem ) OR ( python coding piton python programming ))*.