Perhaps you should try some spelling variations:
"using real java snippets" » "using metal java snippets", "using raw java snippets", "using real java slippers"
"he than van snippets" » "he thanh van snippets", "he tran van snippets", "he phan van snippets", "he thong van snippets", "le thanh van snippets", "de thanh van snippets", "he than van 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: (((("he than van snippets") or ("using real java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("he than van snippets") OR ("using real java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( he than van snippets ) or ( using real java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("he than van snippets") or ("using real java snippets"))) or ("locating bug code snippets"))*.