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 and computador program" » "advanced oxidation and computador programas" (Expand search), "advanced oxidation and computer program" (Expand search), "advanced oxidation and computador programacao" (Expand search), "advanced oxidation usando computador program" (Expand search), "advanced oxidation aluno computador program" (Expand search), "advanced oxidation arte computador 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 and computation program") OR ("advanced oxidation and computador program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced modulation and computation program\") OR (\"advanced oxidation and computador program\"))".
• Removing quotes may allow a broader search: (( advanced modulation and computation program ) OR ( advanced oxidation and computador program )).
• Adding a wildcard symbol may retrieve word variants: (("advanced modulation and computation program") OR ("advanced oxidation and computador program"))*.