Perhaps you should try some spelling variations:
"based simulation in feeding program" » "and simulation in feeding program" (Expand search), "based simulation and feeding program" (Expand search), "based simulation on feeding program" (Expand search), "based simulation _ feeding program" (Expand search)
"advanced data python python programming" » "advanced age python python programming" (Expand search), "advanced and python python programming" (Expand search), "advanced data pythons python programming" (Expand search), "advanced data piton python programming" (Expand search), "advanced data pitons python programming" (Expand search), "advanced dado python python programming" (Expand search), "advanced gate python python programming" (Expand search), "advanced dados 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: "((\"based simulation in feeding program\") OR (\"advanced data python python programming\"))~".
• Removing quotes may allow a broader search: (( based simulation in feeding program ) OR ( advanced data python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based simulation in feeding program") OR ("advanced data python python programming"))*.