Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"cua duong van snippets" » "cua dong van snippets", "cua huong van snippets", "qua duong van snippets", "cua duong va snippets", "cua luong va snippets", "cua dang van snippets", "cua 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 ("cua 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 ("cua duong van snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( cua duong van snippets ))) or ( locating bug code snippets ))*.