Perhaps you should try some spelling variations:
"using computation using computer program" » "using computational using computer program" (Expand search), "using imputation using computer program" (Expand search), "using compilation using computer program" (Expand search), "using computations using computer program" (Expand search), "using computation in computer program" (Expand search), "using composition using computer program" (Expand search)
"using encoding in python programming" » "during encoding in python programming" (Expand search), "using coding in python programming" (Expand search), "joint encoding in python programming" (Expand search), "using encoding and python programming" (Expand search), "using encoding _ python programming" (Expand search), "using encoding of 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: (("using computation using computer program") OR ("using encoding in python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computation using computer program\") OR (\"using encoding in python programming\"))".
• Removing quotes may allow a broader search: (( using computation using computer program ) OR ( using encoding in python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using computation using computer program") OR ("using encoding in python programming"))*.