Perhaps you should try some spelling variations:
"trinh can tranh snippets" » "trinh han tranh snippets", "trinh san tranh snippets", "trinh cau tranh snippets", "trinh canh tranh snippets", "trinh tan tran snippets", "trinh van ranh snippets", "trinh can tranh 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 can tranh 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 can tranh snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh can tranh snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh can tranh snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.