Perhaps you should try some spelling variations:
"dung xuat tap snippets" » "dung xuan tap snippets", "dung luat tap snippets", "dung quat tap snippets", "dung xuat nhap snippets", "dung xuat va snippets", "dung cua tap snippets", "dung xuat tap slippers"
"using _ code snippets" » "using _ 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: (((("using _ code snippets") or ("dung xuat tap snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using _ code snippets") OR ("dung xuat tap snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using _ code snippets ) or ( dung xuat tap snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using _ code snippets") or ("dung xuat tap snippets"))) or ("locating bug code snippets"))*.