Perhaps you should try some spelling variations:
"cong chung code snippets" » "cong hung code snippets", "cong thuong code snippets", "cong cong code snippets", "cong chung co snippets", "cong chung code slippers"
"trong cay code snippets" » "trong cac code snippets", "trong ca code snippets", "giong cay code snippets", "trong cay co snippets", "trong cay cong snippets", "trong cay coc snippets", "trong cay 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 chung code snippets") or ("trong cay code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong chung code snippets") OR ("trong cay code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong chung code snippets ) or ( trong cay code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong chung code snippets") or ("trong cay code snippets"))) or ("locating bug code snippets"))*.