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