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"
"locating bug core snippets" » "locating bug code snippets"
"dung le trac snippets" » "dung len trac snippets", "dung he trac snippets", "dung de trac snippets", "dung li trac snippets", "dung le trang snippets"

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 ("dung le trac snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data code snippets") OR ("dung le trac snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using data code snippets ) or ( dung le trac snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data code snippets") or ("dung le trac snippets"))) or ("locating bug core snippets"))*.