Perhaps you should try some spelling variations:
"use case python python programming" » "use case pythons python programming" (Expand search), "use case piton python programming" (Expand search), "use case pitons python programming" (Expand search), "use gate python python programming" (Expand search), "use carpet python python programming" (Expand search)
"coder coding using java computer" » "modern coding using java computer" (Expand search), "color coding using java computer" (Expand search), "odor coding using java computer" (Expand search), "coder modeling using java computer" (Expand search), "coder drying using java computer" (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 coding using java computer") OR ("use case python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding using java computer\") OR (\"use case python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding using java computer ) OR ( use case python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding using java computer") OR ("use case python python programming"))*.