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