Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"vi luong pre snippets" » "vi among pre snippets", "vi luong che snippets", "vi luong ke snippets", "dai luong pre snippets", "van luong pre snippets", "hai luong pre 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 pre snippets") OR ("using java java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( vi luong pre snippets ) or ( using java java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi luong pre snippets") or ("using java java snippets"))) or ("locating bugs code snippets"))*.