Perhaps you should try some spelling variations:
"duong xuan huy snippets" » "dong xuan huy snippets", "luong xuan huy snippets", "duong quan huy snippets", "duong quang huy snippets", "duong qua huy snippets", "duong van huy snippets", "duong xuan huy 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 huy 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 huy snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duong xuan huy snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong xuan huy snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.