Perhaps you should try some spelling variations:
"dang tran duc snippets" » "dang thanh duc snippets", "quang tran duc snippets", "hoang tran duc snippets"
"dung vbugss code slippers" » "dung vbungss code slippers", "dung vbugsss code slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dang tran duc snippets") or ("dung vbugss code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang tran duc snippets") OR ("dung vbugss code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang tran duc snippets ) or ( dung vbugss code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang tran duc snippets") or ("dung vbugss code slippers"))) or ("locating bug code snippets"))*.