Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"dai duong van slippery" » "dai cuong van slippery", "hai duong van slippery", "dai luong van slippery", "dai duong va slippery", "dai luong va slippery", "dai dang van slippery", "dai 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 ("dai duong van slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("dai duong van slippery"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( dai duong van slippery ))) or ( locating bug code snippets ))*.