Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran dang cac snippets" » "tran dang code snippets", "tran quang cac snippets", "tran hoang cac snippets", "tranh hang cac snippets", "tran dung cac snippets", "tran bang cac snippets", "tran dong 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: (((("tran dang 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: (((("tran dang cac snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tran dang cac snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran dang cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.