Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"hoang van code snippets" » "hang va code snippets", "hoang van de snippets", "hoang van hoe snippets", "hoang van cong snippets", "hoang van code slippers"
"trinh do code snippets" » "trinh ky code snippets", "trinh do code slippers"

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 do code snippets") or ("hoang van code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh do code snippets") OR ("hoang van code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh do code snippets ) or ( hoang van code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh do code snippets") or ("hoang van code snippets"))) or ("locating bugs code snippets"))*.