Perhaps you should try some spelling variations:
"dang using java snippets" » "dang sinh java snippets", "data using java snippets", "dang ung java snippets", "dang using data snippets"
"dong rate code snippets" » "dong vat code snippets", "dong dat code snippets"
"locating bug core snippets" » "locating bug code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dang using java snippets") or ("dong rate code snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang using java snippets") OR ("dong rate code snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang using java snippets ) or ( dong rate code snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang using java snippets") or ("dong rate code snippets"))) or ("locating bug core snippets"))*.