Perhaps you should try some spelling variations:
"creating xva duc snippets" » "creating _ duc snippets", "creating xa duc snippets", "creating xuan duc snippets", "creating xvva duc snippets", "creating xvla duc snippets", "creating xva dc snippets"
"creating a du snippets" » "creating _ du snippets", "reading a du snippets", "creating va du snippets", "creating la du snippets", "creating a d snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("creating xva duc snippets") or ("creating a du snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("creating xva duc snippets") OR ("creating a du snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( creating xva duc snippets ) or ( creating a du snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("creating xva duc snippets") or ("creating a du snippets"))) or ("locating bug code snippets"))*.