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