Perhaps you should try some spelling variations:
"dung using data snippets" » "dung ung data snippets", "dung sinh data snippets", "dung uong data snippets", "dung using java snippets", "dung using sat snippets", "dung missing data snippets", "dung using data slippers"
"cong bang code snippets" » "cuong bang code snippets", "dong bang code snippets", "hong bang code snippets", "cong bang cong snippets", "cong bang che snippets", "cong bang cot snippets", "cong bang 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: (((("cong bang code snippets") or ("dung using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong bang code snippets") OR ("dung using data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong bang code snippets ) or ( dung using data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong bang code snippets") or ("dung using data snippets"))) or ("locating bug code snippets"))*.