Perhaps you should try some spelling variations:
"tuan thu trinh snippets" » "tuan thi trinh snippets", "tuan tho trinh snippets", "tuan thu tinh snippets", "toan thuc trinh snippets", "van thu trinh snippets", "tuan thu 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: (((("tuan thu 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: (((("tuan thu trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuan thu trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuan thu trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.