Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"long pha cau snippets" » "long ha cau snippets", "dong pha cau snippets", "uong pha cau snippets", "long phan cau snippets", "long phap cau snippets", "long pha cac 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: (((("long pha 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: (((("long pha cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long pha cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long pha cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.