Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong dat doc snippets" » "dong vat doc snippets", "dung dat doc snippets", "dong ha doc snippets", "dong dat duoc snippets", "dong day doc snippets", "dong dat nuoc snippets"
"locating bug code snippets" » "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: (((("dong dat doc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong dat doc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong dat doc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong dat doc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.