Perhaps you should try some spelling variations:
"dung san trong snippets" » "dung sang trong snippets", "dung sanh trong snippets", "dung ban trong snippets", "dong san trong snippets", "dung sai trong snippets", "dung luan trong snippets", "dung san trong slippers"
"dang va java snippets" » "dang van java snippets", "dang vat java snippets", "hang va java snippets", "dang java java snippets", "dang va 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 va java snippets") or ("dung san trong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang va java snippets") OR ("dung san trong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang va java snippets ) or ( dung san trong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang va java snippets") or ("dung san trong snippets"))) or ("locating bug code snippets"))*.