Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung thuc doi snippets" » "dung thuc code snippets", "dung thuoc doi snippets", "duong thuc doi snippets", "dung thu doi snippets", "dung thuat doi snippets", "dung thuc dan snippets", "dung thay doi 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 thuc doi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung thuc doi snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung thuc doi snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung thuc doi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.