Perhaps you should try some spelling variations:
"and computational in precoder program" » "_ computational in precoder program" (Expand search), "and computational and precoder program" (Expand search), "and computational _ precoder program" (Expand search), "and computational 3d precoder program" (Expand search), "and computational in proder program" (Expand search), "and computational in recovery program" (Expand search), "and computational in precoce programa" (Expand search), "and computational in premodern program" (Expand search), "and computational to precoder program" (Expand search)
"using in python python programming" » "using in pythons python programming" (Expand search), "using in piton python programming" (Expand search), "using in pitons python programming" (Expand search), "using _ python 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: "((\"and computational in precoder program\") OR (\"using in python python programming\"))~".
• Removing quotes may allow a broader search: (( and computational in precoder program ) OR ( using in python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computational in precoder program") OR ("using in python python programming"))*.