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