Perhaps you should try some spelling variations:
"advanced calculation python computer program" » "advanced glycation python computer program" (Expand search), "advanced calculation method computer program" (Expand search), "advanced calculation methods computer program" (Expand search), "advanced calculations proton computer program" (Expand search)
"advanced modulation of computer program" » "advanced oxidation of computer program" (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 modulation of computer program\") OR (\"advanced calculation python computer program\"))~".
• Removing quotes may allow a broader search: (( advanced modulation of computer program ) OR ( advanced calculation python computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced modulation of computer program") OR ("advanced calculation python computer program"))*.