Perhaps you should try some spelling variations:
"van dinh dat snippets" » "van minh dat snippets", "van dich dat snippets", "va dinh dat snippets", "van dinh ket snippets", "van dinh van snippets", "van dinh lam snippets", "van dinh 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: (((("van dinh 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: (((("van dinh dat snippets") OR ("dung va java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van dinh dat snippets ) or ( dung va java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van dinh dat snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))*.