Perhaps you should try some spelling variations:
"using data dong snippets" » "using data code snippets", "using java dong snippets", "using sat dong snippets", "missing data dong snippets", "using bat dong snippets", "using dao dong snippets", "using dan dong snippets"
"locating bug core snippets" » "locating bug code snippets"
"hang java java snippets" » "hang va java 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 dong snippets") or ("hang java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data dong snippets") OR ("hang java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using data dong snippets ) or ( hang java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data dong snippets") or ("hang java java snippets"))) or ("locating bug core snippets"))*.