Perhaps you should try some spelling variations:
"vinh van thinh snippets" » "vinh van thanh snippets", "vinh van chinh snippets", "vinh van minh snippets", "dinh van thinh snippets", "trinh van thinh snippets", "sinh vat thinh snippets", "vinh van thinh 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: (((("vinh van thinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vinh van thinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vinh van thinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vinh van thinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.