Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets"
"cong thanh dot snippets" » "dong thanh dot snippets", "cong trinh dot snippets", "cong tan dot snippets", "cong thanh dat snippets", "cong thanh do snippets", "cong thanh mot 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 ("cong thanh dot snippets"))) or ("locating bung code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("cong thanh dot snippets"))) OR ("locating bung code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( cong thanh dot snippets ))) or ( locating bung code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("cong thanh dot snippets"))) or ("locating bung code snippets"))*.