Perhaps you should try some spelling variations:
"dung dat code snippets" » "dung va code snippets", "dung tai code snippets", "dung rate code snippets", "dung dat de snippets", "dung dat code slippers"
"sung nam code snippets" » "quang nam code snippets", "dong nam code snippets", "sung nam co snippets", "sung lbm code snippets", "sung nam de snippets", "sung nam code slippers"
"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: (((("dung dat code snippets") or ("sung nam code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dat code snippets") OR ("sung nam code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dat code snippets ) or ( sung nam code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dat code snippets") or ("sung nam code snippets"))) or ("locating bug code snippets"))*.