Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets", "locating bung code slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"dang tan van snippets" » "dang tran van snippets", "dang toan van snippets", "dang van van snippets", "dang tang van snippets", "dang luan van snippets", "dang tan van slippers"

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 ("dang tan van snippets"))) or ("locating bung code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dang tan van snippets"))) OR ("locating bung code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dang tan van snippets ))) or ( locating bung code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dang tan van snippets"))) or ("locating bung code snippets"))*.