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