Perhaps you should try some spelling variations:
"based optimization with precoder program" » "and optimization with precoder program" (Expand search), "based optimization and precoder program" (Expand search), "based optimization _ precoder program" (Expand search), "based optimization with proder program" (Expand search), "based optimization with recovery program" (Expand search), "based optimization with precoce programa" (Expand search), "based optimization with precoding program" (Expand search), "based optimization with prader program" (Expand search), "based optimization to precoder program" (Expand search)
"using using python python programming" » "using using pythons python programming" (Expand search), "using using piton python programming" (Expand search), "using using pitons python programming" (Expand search), "using usando python python programming" (Expand search), "using in python python programming" (Expand search), "using fusing python python programming" (Expand search), "housing using python python programming" (Expand search), "nursing 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: "((\"based optimization with precoder program\") OR (\"using using python python programming\"))~".
• Removing quotes may allow a broader search: (( based optimization with precoder program ) OR ( using using python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based optimization with precoder program") OR ("using using python python programming"))*.