Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang tran hoc snippets" » "dang tran code snippets", "dang thanh hoc snippets", "quang tran hoc snippets", "hoang tran hoc snippets", "dang toan hoc snippets", "dang than hoc snippets", "dang trac hoc 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 ("dang tran hoc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dang tran hoc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dang tran hoc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dang tran hoc snippets"))) or ("locating bug core snippets"))*.