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