Perhaps you should try some spelling variations:
"vinh dieu trinh snippets" » "vinh tieu trinh snippets", "vinh dieu tri snippets", "vinh diep tinh snippets", "tinh dien trinh snippets", "vi dieu trinh snippets", "kinh dien trinh snippets", "vinh dieu 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 dieu 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 dieu trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vinh dieu trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vinh dieu trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.