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 so do snippets" » "dung co do snippets", "dung mo do snippets", "dung cho do snippets", "dung so du snippets", "dung so dk 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 ("dung so do 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 so do snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using data code snippets ) or ( dung so do snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data code snippets") or ("dung so do snippets"))) or ("locating bug core snippets"))*.