Perhaps you should try some spelling variations:
"dong huong dat snippets" » "dong thuong dat snippets", "dong duong dat snippets", "cong huong dat snippets", "dong huong dan snippets", "dong thuong dam snippets", "dong huong phat snippets", "dong huong dat slippers"
"dung vbug code snippets" » "dung vung code snippets", "dung vbug code slippers", "dung vbung code snippets", "dung vbugs code snippets"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("dong huong dat snippets") or ("dung vbug code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong huong dat snippets") OR ("dung vbug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong huong dat snippets ) or ( dung vbug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong huong dat snippets") or ("dung vbug code snippets"))) or ("locating bug code snippets"))*.