Perhaps you should try some spelling variations:
"dung thuong code snippets" » "hang thuong code snippets", "dung trong code snippets", "cong thuong code snippets", "dung thuong con snippets", "dung thuong de snippets", "dung thuong nobel snippets", "dung thuong code slippers"
"trinh co code snippets" » "trinh do code snippets", "trinh cong code snippets", "trinh hoa code snippets", "trinh cfd code snippets", "trinh co code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs 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 co code snippets") or ("dung thuong code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh co code snippets") OR ("dung thuong code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh co code snippets ) or ( dung thuong code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh co code snippets") or ("dung thuong code snippets"))) or ("locating bug code snippets"))*.