Perhaps you should try some spelling variations:
"dung chat code snippets" » "dung nhat code snippets", "luong chat code snippets", "dung cho code snippets", "dung chat co snippets", "dung chat cong snippets", "dung chat code slippers"
"dang van java snippets" » "hoang van java snippets", "hang va java snippets", "dang van java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 van java snippets") or ("dung chat code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang van java snippets") OR ("dung chat code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang van java snippets ) or ( dung chat code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang van java snippets") or ("dung chat code snippets"))) or ("locating bug code snippets"))*.