Perhaps you should try some spelling variations:
"dung tnhanh code slippers" » "dung thanh code slippers", "dung nhan code slippers", "dung thang code slippers"
"nhan luc code snippets" » "nang luc code snippets", "nhan lbm code snippets", "nhan luc cong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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: (((("nhan luc code snippets") or ("dung tnhanh code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan luc code snippets") OR ("dung tnhanh code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan luc code snippets ) or ( dung tnhanh code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan luc code snippets") or ("dung tnhanh code slippers"))) or ("locating bug code snippets"))*.