Perhaps you should try some spelling variations:
"vinh hanh trinh snippets" » "vinh canh tranh snippets", "vinh hanh chinh snippets", "vinh hang trinh snippets", "dinh thanh trinh snippets", "tinh thanh trinh snippets", "vinh hanh trinh 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 hanh trinh 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 hanh trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vinh hanh trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vinh hanh trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.