Perhaps you should try some spelling variations:
"doan bieu dac snippets" » "doan dieu dac snippets", "doanh hieu dac snippets", "doanh sieu dac snippets", "doan biet dac snippets", "doan bieu dat snippets", "doan hieu dac snippets", "doan bieu dac 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 bieu dac 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 bieu dac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doan bieu dac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan bieu dac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.