Perhaps you should try some spelling variations:
"nang dieu lua snippets" » "dang dieu lua snippets", "sang dieu lua snippets", "bang dieu lua snippets", "nang dieu cua snippets", "nang hieu luat snippets", "nang dien luan snippets", "nang dieu lua 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: (((("nang dieu lua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang dieu lua snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang dieu lua snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang dieu lua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.