Perhaps you should try some spelling variations:
"dung thu data snippets" » "ung thu data snippets", "dung phu data snippets", "dung thi data snippets", "dung tu dat snippets", "dung thu da snippets", "dung thu dac snippets", "dung thu data slippers"
"dung va code snippets" » "dung va code slippers", "dung va core snippets"
"locating bug code snippets" » "locating bug code slippers", "locating bug core snippets", "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 thu data snippets") or ("dung va code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung thu data snippets") OR ("dung va code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung thu data snippets ) or ( dung va code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung thu data snippets") or ("dung va code snippets"))) or ("locating bug code snippets"))*.