Perhaps you should try some spelling variations:
"xay dung code snippets" » "xay dung cong snippets", "xay dung co snippets", "xay dung de snippets", "xay dung code slippers"
"dan vbug code snippets" » "dan vung code snippets", "dan bui code snippets", "dan vbug code slippers", "dan vbung code snippets", "dan vbugs code snippets"
"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: (((("dan vbug code snippets") or ("xay dung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan vbug code snippets") OR ("xay dung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan vbug code snippets ) or ( xay dung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan vbug code snippets") or ("xay dung code snippets"))) or ("locating bug code snippets"))*.