Perhaps you should try some spelling variations:
"dan tinh lich snippets" » "dan trinh lich snippets", "dan tich lich snippets", "dan hinh lich snippets", "doan tinh lich snippets", "dang tinh lich snippets", "dan tinh lich slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dan tinh lich snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan tinh lich snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan tinh lich snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan tinh lich snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.