Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tang cuu chat snippets" » "tang cua chat snippets", "tang cuoc chat snippets", "thang cua chat snippets", "tang cuu phat snippets", "tang cao chat snippets", "tang cuu che 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: (((("tang cuu chat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang cuu chat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang cuu chat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang cuu chat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.