Perhaps you should try some spelling variations:
"dinh van dat snippets" » "trinh van dat snippets", "sinh vat dat snippets", "dinh van dao snippets", "dinh van dau snippets", "dinh dan dat snippets", "dinh van 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"

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: (((("dinh van 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: (((("dinh van dat snippets") OR ("dung va java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh van dat snippets ) or ( dung va java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh van dat snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))*.