Perhaps you should try some spelling variations:
"dung lieu phan snippets" » "dung hieu phan snippets", "dung tieu phan snippets", "dung viet phan snippets", "dung lieu phap snippets", "dung lieu phuc snippets", "dung lieu tham snippets", "dung lieu phan slippers"
"hang java java snippets" » "hang va java snippets", "hang 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: (((("dung lieu phan snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung lieu phan snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung lieu phan snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung lieu phan snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.