Perhaps you should try some spelling variations:
"advanced modulation or computing program" » "advanced calculation or computing program" (Expand search), "advanced modulation or consulting program" (Expand search), "advanced modulation or computador program" (Expand search), "advanced modulation or computer programs" (Expand search), "advanced modulation of computing program" (Expand search), "advanced modulation on computing program" (Expand search), "advanced modulation og computing program" (Expand search), "advanced modulation or competing program" (Expand search)
"advanced oxidation python computer program" » "advanced oxidation method computer program" (Expand search), "advanced animation python computer program" (Expand search), "advanced oxidation ptsn computer program" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("advanced modulation or computing program") OR ("advanced oxidation python computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced modulation or computing program\") OR (\"advanced oxidation python computer program\"))".
• Removing quotes may allow a broader search: (( advanced modulation or computing program ) OR ( advanced oxidation python computer program )).
• Adding a wildcard symbol may retrieve word variants: (("advanced modulation or computing program") OR ("advanced oxidation python computer program"))*.