Perhaps you should try some spelling variations:
"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)
"coder model using java program" » "coder model using java programs" (Expand search), "coder model using java programa" (Expand search), "coder model using viva program" (Expand search), "cover model using java program" (Expand search), "decoder model using java program" (Expand search), "copper model using java program" (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 model using java program") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder model using java program\") OR (\"via python python python programming\"))".
• Removing quotes may allow a broader search: (( coder model using java program ) OR ( via python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder model using java program") OR ("via python python python programming"))*.