Perhaps you should try some spelling variations:
"tung dan de snippets" » "dung dan de snippets", "huong dan de snippets", "trung dai de snippets", "tung dan den snippets", "tung dang de snippets", "tung van de snippets"
"dung vbugss code snippets" » "dung vbugss core snippets", "dung vbungss code snippets", "dung vbugsss code snippets"
"locating bug code snippets" » "locating bug core snippets", "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: (((("tung dan de snippets") or ("dung vbugss code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tung dan de snippets") OR ("dung vbugss code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung dan de snippets ) or ( dung vbugss code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung dan de snippets") or ("dung vbugss code snippets"))) or ("locating bug code snippets"))*.