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