Perhaps you should try some spelling variations:
"da lieu dat snippets" » "da lieu data snippets", "da lieu dao snippets", "da bieu dat snippets", "du lieu dat snippets", "da dieu dat snippets", "vat lieu dat snippets", "da lieu dat slippers"
"dung va java snippets" » "dung java java snippets", "dung va java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("da lieu dat snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("da lieu dat snippets") OR ("dung va java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( da lieu dat snippets ) or ( dung va java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("da lieu dat snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))*.