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