Perhaps you should try some spelling variations:
"dong nhanh cuc snippets" » "dong thanh cuc snippets", "dong nhan cuc snippets", "dung nhan cuc snippets", "dong nhanh thuc snippets", "dong nhan luc snippets", "dong nhanh tu 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 nhanh 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 nhanh cuc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong nhanh cuc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong nhanh cuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.