Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tang tai co snippets" » "hang tai co snippets", "dung tai co snippets", "sang tao co snippets", "tang mai co snippets", "tang tai so snippets", "tang tri co 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 tai co 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 tai co snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang tai co snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang tai co snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.