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