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