Perhaps you should try some spelling variations:
"khau luan trinh snippets" » "khau xuan trinh snippets", "khau luan tinh snippets", "khau luan tranh snippets", "khoa luan trinh snippets", "phap luan trinh snippets", "pham luan trinh snippets", "khau luan 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: (((("khau luan 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: (((("khau luan trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khau luan trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khau luan trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.