Perhaps you should try some spelling variations:
"advanced computation using cutting problem" » "advanced computations using cutting problem" (Expand search), "advanced computational using cutting problem" (Expand search), "advance computational using cutting problem" (Expand search), "advanced computation in cutting problem" (Expand search), "advanced composition using cutting problem" (Expand search), "advanced computation using routing problem" (Expand search), "advanced computation using clustering problem" (Expand search), "advanced computation using covering problem" (Expand search), "advanced computation using rotating problem" (Expand search), "advanced computation using resting problem" (Expand search)
"teaching tools python python programming" » "teaching tool python python programming" (Expand search), "teaching to python python programming" (Expand search), "teaching tools pythons python programming" (Expand search), "teaching tools piton python programming" (Expand search), "teaching tools pitons python programming" (Expand search), "teaching tools person python programming" (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 computation using cutting problem\") OR (\"teaching tools python python programming\"))~".
• Removing quotes may allow a broader search: (( advanced computation using cutting problem ) OR ( teaching tools python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced computation using cutting problem") OR ("teaching tools python python programming"))*.