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