Perhaps you should try some spelling variations:
"based imputation in computer program" » "based computation in computer program" (Expand search), "based reputation in computer program" (Expand search), "based mutation in computer program" (Expand search), "based imputation of computer program" (Expand search), "based implantation in computer program" (Expand search), "based imputation _ computer program" (Expand search)
"using mobile python python programming" » "using mobile phone python programming" (Expand search), "using mobile pythons python programming" (Expand search), "using mobile piton python programming" (Expand search), "using mobile 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: (("based imputation in computer program") OR ("using mobile python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based imputation in computer program\") OR (\"using mobile python python programming\"))".
• Removing quotes may allow a broader search: (( based imputation in computer program ) OR ( using mobile python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based imputation in computer program") OR ("using mobile python python programming"))*.