Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trong moi cac snippets" » "trong moi code snippets", "trong doi cac snippets", "trong mot cac snippets", "trong thoi cac snippets", "trong voi cac snippets", "trong hoi cac snippets", "trong mo cac 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 ("trong moi 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 ("trong moi cac snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trong moi cac snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trong moi cac snippets"))) or ("locating bug core snippets"))*.