Perhaps you should try some spelling variations:
"surface functionalities and subsampling program" » "surface functionalized and subsampling program" (Expand search), "surface functionality and subsampling program" (Expand search), "surface functionalization and subsampling program" (Expand search), "surface functionalities in subsampling program" (Expand search), "surface functionalities of subsampling program" (Expand search), "surface functionalities and sampling program" (Expand search), "surface functionalities using subsampling program" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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: (("surface functionalities and subsampling program") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"surface functionalities and subsampling program\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( surface functionalities and subsampling program ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("surface functionalities and subsampling program") OR ("using coding python python programming"))*.