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