Perhaps you should try some spelling variations:
"hang tieu trinh snippets" » "hang tien trinh snippets", "hang tien thinh snippets", "hang trieu tinh snippets", "hoang trieu trinh snippets", "thang tien trinh snippets", "thong tieu trinh snippets", "hang tieu 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: (((("hang tieu 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: (((("hang tieu trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang tieu trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang tieu trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.