Perhaps you should try some spelling variations:
"using real java snippets" » "using metal java snippets", "using raw java snippets", "using real java slippers"
"hai luong raw snippets" » "hai duong raw snippets", "hai long raw snippets", "dai luong raw snippets", "hai luong va snippets", "hai luong tai snippets", "hai luong cac snippets", "hai luong raw slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 real java snippets") or ("hai luong raw snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using real java snippets") OR ("hai luong raw snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using real java snippets ) or ( hai luong raw snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using real java snippets") or ("hai luong raw snippets"))) or ("locating bug code snippets"))*.