Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"van duong code snippets" » "van duong co snippets", "van duong cong snippets", "van duong che snippets", "van dong code snippets", "van dung code snippets", "van phong code snippets", "van duong 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 ("van duong 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 ("van duong code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh do code snippets ) or ( van duong code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh do code snippets") or ("van duong code snippets"))) or ("locating bugs code snippets"))*.