Perhaps you should try some spelling variations:
"coder coder dbms cobol programming" » "coder coder dbms robot programming" (Expand search), "coder coder dbms robots programming" (Expand search), "coder coder dbms goal programming" (Expand search), "coder decoder dbms cobol programming" (Expand search), "code code dbms cobol programming" (Expand search), "decoder codec dbms cobol programming" (Expand search), "coder coder dbs cobol programming" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ 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 coder dbms cobol programming") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder dbms cobol programming\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder dbms cobol programming ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder dbms cobol programming") OR ("in python python python programming"))*.