Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran hoc can snippets" » "tran hoc code snippets", "toan hoc can snippets", "than hoc can snippets", "trac hoc can snippets", "tran hoc dan snippets", "tran hoc cao snippets", "tran hoc cac snippets"
"dung java java snippets" » "dung va java snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java snippets") or ("tran hoc can snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("tran hoc can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( tran hoc can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("tran hoc can snippets"))) or ("locating bug core snippets"))*.