Perhaps you should try some spelling variations:
"dung toi trinh slippers" » "dung thi trinh slippers", "dung doi trinh slippers", "dung toi tinh slippers", "dung thoi trinh slippers", "dung tai trinh slippers", "dung toi trinh slippery", "dung toi trinh grippers"
"dung cac code snippets" » "luong cac code snippets", "dung cho code snippets", "dung tai code snippets", "dung cac cong snippets", "dung cac co snippets", "dung cac che 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: (((("dung cac code snippets") or ("dung toi trinh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cac code snippets") OR ("dung toi trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cac code snippets ) or ( dung toi trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac code snippets") or ("dung toi trinh slippers"))) or ("locating bug code snippets"))*.