Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh thi can snippets" » "trinh tai can snippets", "trinh thiet can snippets", "trinh tu can snippets", "trinh thi canh snippets", "trinh thi lan snippets", "trinh thi dan snippets"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung 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: (((("trinh thi can snippets") or ("dung bug code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh thi can snippets") OR ("dung bug code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh thi can snippets ) or ( dung bug code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh thi can snippets") or ("dung bug code snippets"))) or ("locating bugs code snippets"))*.