Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dang su chi snippets" » "dang su choi snippets", "dang su thi snippets", "dang cu chi snippets", "dan su chi snippets", "dong su chi snippets", "nang su chi 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: (((("dang su chi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang su chi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang su chi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang su chi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.