Perhaps you should try some spelling variations:
"dong dieu dat snippets" » "dang dieu dat snippets", "dong dien dat snippets", "dong hieu dat snippets", "dong dieu hat snippets", "dong bieu dat snippets", "dong dieu bat snippets", "dong dieu dat 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: (((("dong dieu dat 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 dieu dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong dieu dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong dieu dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.