Perhaps you should try some spelling variations:
"using java java slippers" » "using data java slippers", "using java java slippery", "using java java grippers"
"vi luong va snippets" » "dai luong va snippets", "van luong va snippets", "hai luong va snippets", "vi dung va snippets"
"locating bug code snippets" » "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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vi luong va snippets") OR ("using java java slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( vi luong va snippets ) or ( using java java slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi luong va snippets") or ("using java java slippers"))) or ("locating bug code snippets"))*.