Perhaps you should try some spelling variations:
"using data code snippets" » "using java code snippets", "using sat code snippets", "missing data code snippets", "using rate code snippets", "using data code slippers"
"dong chen len snippets" » "dong chan len snippets", "dong che len snippets", "dong chuyen len snippets", "dong chet len snippets", "dong chen den snippets", "dong chen lin snippets", "dong chen len 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: (((("using data code snippets") or ("dong chen len snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data code snippets") OR ("dong chen len snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using data code snippets ) or ( dong chen len snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data code snippets") or ("dong chen len snippets"))) or ("locating bug code snippets"))*.