Perhaps you should try some spelling variations:
"dung khang code snippets" » "dung thang code snippets", "quang khang code snippets", "dung nhan code snippets", "dung khang core snippets", "dung khang code slippers"
"cuong vo code snippets" » "luong va code snippets", "duong va code snippets", "cong va code snippets", "cuong vo core snippets", "cuong vo code slippers"
"locating bug code snippets" » "locating bug core 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: (((("cuong vo code snippets") or ("dung khang code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong vo code snippets") OR ("dung khang code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong vo code snippets ) or ( dung khang code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong vo code snippets") or ("dung khang code snippets"))) or ("locating bug code snippets"))*.