Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung trinh le snippets" » "dung trinh code snippets", "dung tinh le snippets", "dong trinh le snippets", "cong trinh le snippets", "dung trinh ly snippets", "dung trinh he snippets", "dung trinh ve snippets"
"dung java java snippets" » "dung va java 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: (((("dung java java snippets") or ("dung trinh le snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dung trinh le snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung trinh le snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung trinh le snippets"))) or ("locating bug core snippets"))*.