Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh han cong snippets" » "trinh quan cong snippets", "trinh phan cong snippets", "trinh hang cong snippets", "trinh hanh cong snippets"
"dung vbug code snippets" » "dung vung code snippets", "dung bug code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh han cong snippets") or ("dung vbug code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh han cong snippets") OR ("dung vbug code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh han cong snippets ) or ( dung vbug code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh han cong snippets") or ("dung vbug code snippets"))) or ("locating bugs code snippets"))*.