Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"hang ton cac snippets" » "hang nong cac snippets", "hang cong cac snippets", "hang tai cac snippets", "hang trong cac snippets", "hang thong cac snippets", "hang tong cuc 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: (((("hang ton cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang ton cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang ton cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang ton cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.