Perhaps you should try some spelling variations:
"trinh thanh dat snippets" » "tinh thanh dat snippets", "trinh han dat snippets", "trinh toan dat snippets", "trinh thanh san snippets", "trinh thanh hai snippets", "trinh thanh van snippets", "trinh thanh dat 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: (((("trinh thanh dat snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh thanh dat snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh thanh dat snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh thanh dat snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.