Perhaps you should try some spelling variations:
"advanced modulation and computer program" » "advanced calculation and computer program" (Expand search), "advanced oxidation and computer program" (Expand search), "advanced modulation in computer program" (Expand search), "advanced modulation of computer program" (Expand search), "advanced modulation _ computer program" (Expand search)
"advanced simulation board computing program" » "advanced calculation board computing program" (Expand search), "advanced simulation board consulting program" (Expand search), "advanced simulation board computador program" (Expand search), "advanced simulation board computer programs" (Expand search), "advanced simulator board computing program" (Expand search), "advanced simulation towards computing program" (Expand search), "advanced simulation hubbard computing program" (Expand search), "advanced simulation and computing program" (Expand search), "advanced simulation aware computing program" (Expand search), "advanced simulation board 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 and computer program\") OR (\"advanced simulation board computing program\"))~".
• Removing quotes may allow a broader search: (( advanced modulation and computer program ) OR ( advanced simulation board computing program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced modulation and computer program") OR ("advanced simulation board computing program"))*.