Perhaps you should try some spelling variations:
"based simulation from python programming" » "and simulation from python programming" (Expand search), "based simulation from pathogen programming" (Expand search), "based simulation from anthony programming" (Expand search), "based simulation from python programaming" (Expand search)
"advanced oxidation java computer program" » "advanced oxidation and computer program" (Expand search), "advanced oxidation at computer program" (Expand search), "advanced oxidation mao computer program" (Expand search), "advanced oxidation java computer programa" (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 from python programming\") OR (\"advanced oxidation java computer program\"))~".
• Removing quotes may allow a broader search: (( based simulation from python programming ) OR ( advanced oxidation java computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("based simulation from python programming") OR ("advanced oxidation java computer program"))*.