Perhaps you should try some spelling variations:
"dan vung code snippets" » "dan vung co snippets", "dan dung code snippets", "dao vung code snippets", "dang hung code snippets", "dan vung code slippers"
"dao du code snippets" » "dao duc code snippets", "dao duy code snippets", "dao do code snippets", "dao du code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("dao du code snippets") or ("dan vung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao du code snippets") OR ("dan vung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao du code snippets ) or ( dan vung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao du code snippets") or ("dan vung code snippets"))) or ("locating bug code snippets"))*.