Perhaps you should try some spelling variations:
"alkane oxidation using computer program" » "methane oxidation using computer program" (Expand search), "toluene oxidation using computer program" (Expand search), "phase oxidation using computer program" (Expand search), "alkane oxidation in computer 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"alkane oxidation using computer program\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( alkane oxidation using computer program ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("alkane oxidation using computer program") OR ("using coding python python programming"))*.