Perhaps you should try some spelling variations:
"dung quang code snippets" » "dang quang code snippets", "luong quang code snippets", "dung luan code snippets", "dung quang de snippets", "dung quang code slippers"
"trinh lbm code snippets" » "trinh lam code snippets", "trinh ly code snippets", "trinh lap code snippets", "trinh lbm 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 lbm code snippets") or ("dung quang code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh lbm code snippets") OR ("dung quang code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh lbm code snippets ) or ( dung quang code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh lbm code snippets") or ("dung quang code snippets"))) or ("locating bug code snippets"))*.