Perhaps you should try some spelling variations:
"_ computational methods precoder program" » "_ computational model precoder program" (Expand search), "_ computational methods proper program" (Expand search), "_ computational methods peer program" (Expand search), "_ computational methods power program" (Expand search), "_ computational methods proder program" (Expand search), "_ computational methods recovery program" (Expand search), "_ computational methods precoce programa" (Expand search)
"using visual python python programming" » "using via python python programming" (Expand search), "using visual path python programming" (Expand search), "using visual pythons python programming" (Expand search), "using visual piton python programming" (Expand search), "using visual pitons python programming" (Expand search), "using virtual 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: "((\"_ computational methods precoder program\") OR (\"using visual python python programming\"))~".
• Removing quotes may allow a broader search: (( _ computational methods precoder program ) OR ( using visual python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("_ computational methods precoder program") OR ("using visual python python programming"))*.