Perhaps you should try some spelling variations:
"thong cad code snippets" » "thong cac code snippets", "thong cap code snippets", "thong cau code snippets", "thong cfd code snippets", "thong cad model snippets", "thong cad code slippers"
"dung a data snippets" » "dung va data snippets", "dung ha data snippets", "dung ai data snippets", "dung _ data snippets", "dung a data 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: (((("dung a data snippets") or ("thong cad 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 ("thong cad code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung a data snippets ) or ( thong cad code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung a data snippets") or ("thong cad code snippets"))) or ("locating bug code snippets"))*.