Perhaps you should try some spelling variations:
"advanced computations _ computing program" » "advanced computational _ computing program" (Expand search), "advance computational _ computing program" (Expand search), "advanced communications _ computing program" (Expand search), "advanced computations _ consulting program" (Expand search), "advanced computations _ computador program" (Expand search), "advanced computations _ computer programs" (Expand search)
"dft calculations and computer program" » "dft calculations of computer program" (Expand search), "dft calculation of computer program" (Expand search), "dft calculations _ 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 computations _ computing program") OR ("dft calculations and computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced computations _ computing program\") OR (\"dft calculations and computer program\"))".
• Removing quotes may allow a broader search: (( advanced computations _ computing program ) OR ( dft calculations and computer program )).
• Adding a wildcard symbol may retrieve word variants: (("advanced computations _ computing program") OR ("dft calculations and computer program"))*.