Perhaps you should try some spelling variations:
"dang tran tan snippets" » "dang thanh tan snippets", "quang tran tan snippets", "hoang tran tan snippets", "dang tran tuan snippets", "dang tran van snippets", "dang tran thanh snippets", "dang tran tan slippers"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug code slippers", "dung bug core snippets"
"locating bug code snippets" » "locating bug code slippers", "locating bug core 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: (((("dang tran tan snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang tran tan snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang tran tan snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang tran tan snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.