Perhaps you should try some spelling variations:
"advanced computations using computer program" » "advanced computational using computer program" (Expand search), "advance computational using computer program" (Expand search), "advanced communications using computer program" (Expand search), "advanced computation using computer program" (Expand search), "advanced populations using computer program" (Expand search), "advanced computations in computer program" (Expand search)
"mining tools python python programming" » "mining tools pythons python programming" (Expand search), "mining tools piton python programming" (Expand search), "mining tools pitons python programming" (Expand search), "mining tool python python programming" (Expand search), "mining to python python programming" (Expand search), "mining tools person python programming" (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 using computer program") OR ("mining tools python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced computations using computer program\") OR (\"mining tools python python programming\"))".
• Removing quotes may allow a broader search: (( advanced computations using computer program ) OR ( mining tools python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("advanced computations using computer program") OR ("mining tools python python programming"))*.