Perhaps you should try some spelling variations:
"dong nhan cuc snippets" » "dung nhan cuc snippets", "cong nhan cuc snippets", "dong chan cuc snippets", "dong nhan cuoc snippets", "dong nhanh cuc snippets", "dong nhan luc snippets"
"dung java java snippets" » "dung va java 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: (((("dong nhan cuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong nhan cuc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong nhan cuc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong nhan cuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.