Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"nhung cu cau snippets" » "nhung cau cau snippets", "nhung chu cau snippets", "chung cu cau snippets", "nhung cu cao snippets", "nhung co cau snippets", "nhung cu cu 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: (((("nhung cu cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung cu cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung cu cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung cu cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.