Perhaps you should try some spelling variations:
"tieng lieu data snippets" » "tieng viet data snippets", "tien lien data snippets", "tien tieu data snippets", "tieng lieu dao snippets", "tieng bieu dat snippets", "tieng lieu da snippets", "tieng lieu data slippers"
"dung dung code snippets" » "duong dung code snippets", "ung dung code snippets", "dung ung code snippets", "dung dung cong snippets", "dung dung co snippets", "dung dung de snippets", "dung dung 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: (((("dung dung code snippets") or ("tieng lieu data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dung code snippets") OR ("tieng lieu data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dung code snippets ) or ( tieng lieu data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dung code snippets") or ("tieng lieu data snippets"))) or ("locating bug code snippets"))*.