Perhaps you should try some spelling variations:
"duong xuan liu snippets" » "dong xuan liu snippets", "luong xuan liu snippets", "duong quan liu snippets", "duong juan liu snippets", "duong xuan liem snippets", "duong xuan kieu snippets", "duong xuan liu 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: (((("duong xuan liu snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duong xuan liu snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duong xuan liu snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong xuan liu snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.