Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"van duong tuan snippets" » "van duong quan snippets", "van duong xuan snippets", "van duong tan snippets", "van dong tuan snippets", "van dung tuan snippets", "van phong tuan snippets", "van duong tuan 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 java java snippets") or ("van duong tuan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("van duong tuan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( van duong tuan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("van duong tuan snippets"))) or ("locating bug code snippets"))*.