Perhaps you should try some spelling variations:
"using survey in precoder program" » "using survey in proder program" (Expand search), "using survey in recovery program" (Expand search), "using survey in precoce programa" (Expand search), "using survey in premodern program" (Expand search), "using survey and precoder program" (Expand search), "using survey to precoder program" (Expand search), "using survey _ precoder program" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("using survey in precoder program") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using survey in precoder program\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( using survey in precoder program ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using survey in precoder program") OR ("using coding python python programming"))*.