Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"han tong code snippets" » "han tong cong snippets", "han tong cot snippets", "phan tong code snippets", "nhan tong code snippets", "hanh tong code snippets", "han tong code slippers"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug 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: (((("han tong code snippets") or ("dung bug code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han tong code snippets") OR ("dung bug code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( han tong code snippets ) or ( dung bug code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han tong code snippets") or ("dung bug code snippets"))) or ("locating bugs code snippets"))*.