Perhaps you should try some spelling variations:
"doan dieu phuc snippets" » "nhan dieu phuc snippets", "dang dieu phuc snippets", "toan dien phuc snippets", "doan lieu phuc snippets", "doan dieu khac snippets", "doan diem thuc snippets", "doan dieu phuc slippers"
"dung java java snippets" » "dung va java snippets", "dung 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: (((("doan dieu phuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan dieu phuc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doan dieu phuc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan dieu phuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.