Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung dam choi snippets" » "dung dat choi snippets", "dung lam choi snippets", "dung dan choi snippets", "dung dam cuoi snippets", "dung nam chi snippets", "dung dam thi 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 dam choi 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 dam choi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dam choi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dam choi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.