Perhaps you should try some spelling variations:
"cong chuc code snippets" » "cong thuc code snippets", "cong cu code snippets", "cong cua code snippets", "cong chuc cong snippets", "cong chuc code slippers"
"can thi code snippets" » "can thi cong snippets", "can thi hoe snippets", "cau thi code snippets", "dan thi code snippets", "van thi code snippets", "can thi 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 chuc code snippets") or ("can thi code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong chuc code snippets") OR ("can thi code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong chuc code snippets ) or ( can thi code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong chuc code snippets") or ("can thi code snippets"))) or ("locating bug code snippets"))*.