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