Perhaps you should try some spelling variations:
"danh trieu tinh snippets" » "dong trieu tinh snippets", "tan trieu tinh snippets", "dang tieu tinh snippets", "danh trieu trinh snippets", "danh trieu dinh snippets", "danh trieu minh snippets", "danh trieu tinh 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"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("danh trieu tinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh trieu tinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh trieu tinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh trieu tinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.