Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dun trinh cac snippets" » "dun trinh code snippets", "dan trinh cac snippets", "xuan trinh cac snippets", "dinh trinh cac snippets", "dun trinh cau snippets", "dun trinh chat snippets", "dun trinh chao 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 ("dun trinh cac snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dun trinh cac snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dun trinh cac snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dun trinh cac snippets"))) or ("locating bug core snippets"))*.