Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh thi con snippets" » "trinh tai con snippets", "trinh thiet con snippets", "trinh tu con snippets", "trinh thi cong snippets", "trinh thi mon snippets", "trinh chi con 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 con 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 con snippets") OR ("dung bug code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh thi con snippets ) or ( dung bug code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh thi con snippets") or ("dung bug code snippets"))) or ("locating bugs code snippets"))*.