Perhaps you should try some spelling variations:
"tuong hoc dat snippets" » "truong hoc dat snippets", "tuong ho dat snippets", "duong hoc dat snippets", "tuong hoc dan snippets", "tuong hoc dai snippets", "tuong hoc phat snippets", "tuong hoc 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: (((("tuong hoc 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: (((("tuong hoc dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuong hoc dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuong hoc dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.