Perhaps you should try some spelling variations:
"advanced modulation and computation program" » "advanced calculation and computation program" (Expand search), "advanced modulation and computational program" (Expand search), "advanced modulation and computational programs" (Expand search), "advanced modulation and compensation program" (Expand search), "advanced modulation of computation program" (Expand search), "advanced modulation in computation program" (Expand search)
"advanced oxidation code computer program" » "advanced oxidation model computer program" (Expand search), "advanced oxidation co computer program" (Expand search), "advanced oxidation more computer program" (Expand search), "advanced oxidation node computer program" (Expand search), "advanced oxidation one 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 oxidation code computer program") OR ("advanced modulation and computation program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced oxidation code computer program\") OR (\"advanced modulation and computation program\"))".
• Removing quotes may allow a broader search: (( advanced oxidation code computer program ) OR ( advanced modulation and computation program )).
• Adding a wildcard symbol may retrieve word variants: (("advanced oxidation code computer program") OR ("advanced modulation and computation program"))*.