Perhaps you should try some spelling variations:
"dung phe phan snippets" » "dung he phan snippets", "dung phu phan snippets", "dung che phan snippets", "dung phi phan snippets", "dung pho phan snippets", "dung phieu phan snippets", "dung phe phan slippers"
"hang va java snippets" » "hang java java snippets", "hang va 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: (((("dung phe phan snippets") or ("hang va java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung phe phan snippets") OR ("hang va java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung phe phan snippets ) or ( hang va java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung phe phan snippets") or ("hang va java snippets"))) or ("locating bug code snippets"))*.