Perhaps you should try some spelling variations:
"advanced optimization using model problem" » "variance optimization using model problem" (Expand search), "valued optimization using model problem" (Expand search), "and optimization using model problem" (Expand search), "advanced optimization and model problem" (Expand search), "advanced optimization using model problems" (Expand search), "advanced optimization using model probe" (Expand search), "advanced optimization using moral problem" (Expand search), "advanced optimization ising model problem" (Expand search), "advanced optimization using modis problem" (Expand search), "advanced optimization using mobile problem" (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: "((\"advanced optimization using model problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( advanced optimization using model problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced optimization using model problem") OR ("using coding python python programming"))*.