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