Perhaps you should try some spelling variations:
"advanced simulation _ constructing program" » "advanced simulation _ consulting program" (Expand search), "advanced simulation _ reconstruction program" (Expand search), "advanced simulation _ constructing ronda" (Expand search), "advanced calculation _ constructing program" (Expand search)
"advanced modulation basic computer program" » "advanced calculation basic computer program" (Expand search), "advanced oxidation basic computer program" (Expand search), "advanced modulation radio computer program" (Expand search), "advanced modulation banda computer program" (Expand search), "advanced regulation basic computer program" (Expand search), "advanced modulation based 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 simulation _ constructing program") OR ("advanced modulation basic computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced simulation _ constructing program\") OR (\"advanced modulation basic computer program\"))".
• Removing quotes may allow a broader search: (( advanced simulation _ constructing program ) OR ( advanced modulation basic computer program )).
• Adding a wildcard symbol may retrieve word variants: (("advanced simulation _ constructing program") OR ("advanced modulation basic computer program"))*.