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